20121122211002 has 32 divisors (see below), whose sum is σ = 32309674891200. Its totient is φ = 9369223354368.

The previous prime is 20121122210977. The next prime is 20121122211013. The reversal of 20121122211002 is 20011222112102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83095418 + ... + 83337210.

It is an arithmetic number, because the mean of its divisors is an integer number (1009677340350).

Almost surely, 2^{20121122211002} is an apocalyptic number.

20121122211002 is a deficient number, since it is larger than the sum of its proper divisors (12188552680198).

20121122211002 is a wasteful number, since it uses less digits than its factorization.

20121122211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278990.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20121122211002 its reverse (20011222112102), we get a palindrome (40132344323104).

The spelling of 20121122211002 in words is "twenty trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred eleven thousand, two".