210122220102 has 16 divisors (see below), whose sum is σ = 425563991040. Its totient is φ = 69154148232.

The previous prime is 210122220101. The next prime is 210122220127. The reversal of 210122220102 is 201022221012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210122220101) 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, 221647438 + ... + 221648385.

It is an arithmetic number, because the mean of its divisors is an integer number (26597749440).

Almost surely, 2^210122220102 is an apocalyptic number.

210122220102 is an abundant number, since it is smaller than the sum of its proper divisors (215441770938).

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

210122220102 is a wasteful number, since it uses less digits than its factorization.

210122220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443295907.

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

Adding to 210122220102 its reverse (201022221012), we get a palindrome (411144441114).

The spelling of 210122220102 in words is "two hundred ten billion, one hundred twenty-two million, two hundred twenty thousand, one hundred two".