211120010121122 has 4 divisors (see below), whose sum is σ = 316680015181686. Its totient is φ = 105560005060560.

The previous prime is 211120010121077. The next prime is 211120010121143. The reversal of 211120010121122 is 221121010021112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 148225292397961 + 62894717723161 = 12174781^2 + 7930619^2 .

It is a super-2 number, since 2×211120010121122² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211120010121122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52780002530279 + ... + 52780002530282.

Almost surely, 2^{211120010121122} is an apocalyptic number.

211120010121122 is a deficient number, since it is larger than the sum of its proper divisors (105560005060564).

211120010121122 is a wasteful number, since it uses less digits than its factorization.

211120010121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105560005060563.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211120010121122 its reverse (221121010021112), we get a palindrome (432241020142234).

The spelling of 211120010121122 in words is "two hundred eleven trillion, one hundred twenty billion, ten million, one hundred twenty-one thousand, one hundred twenty-two".