20211202020122 has 8 divisors (see below), whose sum is σ = 30318224882976. Its totient is φ = 10105127059132.

The previous prime is 20211202020083. The next prime is 20211202020173. The reversal of 20211202020122 is 22102020211202.

It is a happy number.

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

It is a super-2 number, since 2×20211202020122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20211202020122.

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, 236922158 + ... + 237007449.

It is an arithmetic number, because the mean of its divisors is an integer number (3789778110372).

Almost surely, 2^{20211202020122} is an apocalyptic number.

20211202020122 is a deficient number, since it is larger than the sum of its proper divisors (10107022862854).

20211202020122 is a wasteful number, since it uses less digits than its factorization.

20211202020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473950932.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20211202020122 its reverse (22102020211202), we get a palindrome (42313222231324).

The spelling of 20211202020122 in words is "twenty trillion, two hundred eleven billion, two hundred two million, twenty thousand, one hundred twenty-two".