121020222201 has 8 divisors (see below), whose sum is σ = 169852943520. Its totient is φ = 76433824512.

The previous prime is 121020222187. The next prime is 121020222287. The reversal of 121020222201 is 102222020121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121020222201 - 2²¹ = 121018125049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121020222901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1061580840 + ... + 1061580953.

It is an arithmetic number, because the mean of its divisors is an integer number (21231617940).

Almost surely, 2^121020222201 is an apocalyptic number.

It is an amenable number.

121020222201 is a deficient number, since it is larger than the sum of its proper divisors (48832721319).

121020222201 is a wasteful number, since it uses less digits than its factorization.

121020222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123161815.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121020222201 its reverse (102222020121), we get a palindrome (223242242322).

The spelling of 121020222201 in words is "one hundred twenty-one billion, twenty million, two hundred twenty-two thousand, two hundred one".