20211200020122 has 8 divisors (see below), whose sum is σ = 40422400040256. Its totient is φ = 6737066673372.

The previous prime is 20211200020117. The next prime is 20211200020153. The reversal of 20211200020122 is 22102000211202.

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

20211200020122 is an admirable number.

It is a super-3 number, since 3×20211200020122³ (a number of 41 digits) contains 333 as substring.

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, 1684266668338 + ... + 1684266668349.

It is an arithmetic number, because the mean of its divisors is an integer number (5052800005032).

Almost surely, 2^{20211200020122} is an apocalyptic number.

20211200020122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20211200020122 is a wasteful number, since it uses less digits than its factorization.

20211200020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368533336692.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20211200020122 its reverse (22102000211202), we get a palindrome (42313200231324).

The spelling of 20211200020122 in words is "twenty trillion, two hundred eleven billion, two hundred million, twenty thousand, one hundred twenty-two".