2001211001222 has 8 divisors (see below), whose sum is σ = 3007304285016. Its totient is φ = 998776239552.

The previous prime is 2001211001113. The next prime is 2001211001263. The reversal of 2001211001222 is 2221001121002.

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

It is a junction number, because it is equal to n+sod(n) for n = 2001211001197 and 2001211001206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914629163 + ... + 914631350.

It is an arithmetic number, because the mean of its divisors is an integer number (375913035627).

Almost surely, 2^{2001211001222} is an apocalyptic number.

2001211001222 is a deficient number, since it is larger than the sum of its proper divisors (1006093283794).

2001211001222 is a wasteful number, since it uses less digits than its factorization.

2001211001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829261062.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2001211001222 its reverse (2221001121002), we get a palindrome (4222212122224).

The spelling of 2001211001222 in words is "two trillion, one billion, two hundred eleven million, one thousand, two hundred twenty-two".