20211102210122 has 32 divisors (see below), whose sum is σ = 31421212308864. Its totient is φ = 9743663372800.

The previous prime is 20211102210109. The next prime is 20211102210133. The reversal of 20211102210122 is 22101220111202.

It is a self number, because there is not a number n which added to its sum of digits gives 20211102210122.

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, 72347 + ... + 6358257.

It is an arithmetic number, because the mean of its divisors is an integer number (981912884652).

Almost surely, 2^{20211102210122} is an apocalyptic number.

20211102210122 is a deficient number, since it is larger than the sum of its proper divisors (11210110098742).

20211102210122 is a wasteful number, since it uses less digits than its factorization.

20211102210122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6286414.

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

Adding to 20211102210122 its reverse (22101220111202), we get a palindrome (42312322321324).

The spelling of 20211102210122 in words is "twenty trillion, two hundred eleven billion, one hundred two million, two hundred ten thousand, one hundred twenty-two".