20212122102 has 16 divisors (see below), whose sum is σ = 40495046592. Its totient is φ = 6725573640.

The previous prime is 20212122101. The next prime is 20212122107. The reversal of 20212122102 is 20122121202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212122101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2946388 + ... + 2953239.

It is an arithmetic number, because the mean of its divisors is an integer number (2530940412).

Almost surely, 2^20212122102 is an apocalyptic number.

20212122102 is an abundant number, since it is smaller than the sum of its proper divisors (20282924490).

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

20212122102 is a wasteful number, since it uses less digits than its factorization.

20212122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5900203.

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

Adding to 20212122102 its reverse (20122121202), we get a palindrome (40334243304).

The spelling of 20212122102 in words is "twenty billion, two hundred twelve million, one hundred twenty-two thousand, one hundred two".