20212202122102 has 16 divisors (see below), whose sum is σ = 32168751039360. Its totient is φ = 9491767266688.

The previous prime is 20212202122081. The next prime is 20212202122181. The reversal of 20212202122102 is 20122120221202.

It is a super-2 number, since 2×20212202122102² (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 20212202122102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620522893 + ... + 620555464.

It is an arithmetic number, because the mean of its divisors is an integer number (2010546939960).

Almost surely, 2^{20212202122102} is an apocalyptic number.

20212202122102 is a deficient number, since it is larger than the sum of its proper divisors (11956548917258).

20212202122102 is a wasteful number, since it uses less digits than its factorization.

20212202122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241078855.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20212202122102 its reverse (20122120221202), we get a palindrome (40334322343304).

The spelling of 20212202122102 in words is "twenty trillion, two hundred twelve billion, two hundred two million, one hundred twenty-two thousand, one hundred two".