220021000212102 has 64 divisors (see below), whose sum is σ = 452275147584000. Its totient is φ = 71304466717440.

The previous prime is 220021000212089. The next prime is 220021000212127. The reversal of 220021000212102 is 201212000120022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8482233849 + ... + 8482259787.

It is an arithmetic number, because the mean of its divisors is an integer number (7066799181000).

Almost surely, 2^{220021000212102} is an apocalyptic number.

220021000212102 is an abundant number, since it is smaller than the sum of its proper divisors (232254147371898).

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

220021000212102 is a wasteful number, since it uses less digits than its factorization.

220021000212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53261.

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

Adding to 220021000212102 its reverse (201212000120022), we get a palindrome (421233000332124).

The spelling of 220021000212102 in words is "two hundred twenty trillion, twenty-one billion, two hundred twelve thousand, one hundred two".