20211122011002 has 32 divisors (see below), whose sum is σ = 43671620603520. Its totient is φ = 6198810601920.

The previous prime is 20211122011001. The next prime is 20211122011007. The reversal of 20211122011002 is 20011022111202.

It is not an unprimeable number, because it can be changed into a prime (20211122011001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416562477 + ... + 416610992.

It is an arithmetic number, because the mean of its divisors is an integer number (1364738143860).

Almost surely, 2^{20211122011002} is an apocalyptic number.

20211122011002 is an abundant number, since it is smaller than the sum of its proper divisors (23460498592518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20211122011002 is a wasteful number, since it uses less digits than its factorization.

20211122011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833173798.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20211122011002 its reverse (20011022111202), we get a palindrome (40222144122204).

The spelling of 20211122011002 in words is "twenty trillion, two hundred eleven billion, one hundred twenty-two million, eleven thousand, two".