102111002020202 has 32 divisors (see below), whose sum is σ = 177706128144384. Its totient is φ = 43101721008000.

The previous prime is 102111002020187. The next prime is 102111002020207. The reversal of 102111002020202 is 202020200111201.

It is a super-2 number, since 2×102111002020202² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

102111002020202 is a modest number, since divided by 2020202 gives 1021110 as remainder.

It is not an unprimeable number, because it can be changed into a prime (102111002020207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188772563 + ... + 189312710.

It is an arithmetic number, because the mean of its divisors is an integer number (5553316504512).

Almost surely, 2^{102111002020202} is an apocalyptic number.

102111002020202 is a deficient number, since it is larger than the sum of its proper divisors (75595126124182).

102111002020202 is a wasteful number, since it uses less digits than its factorization.

102111002020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378085574.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102111002020202 its reverse (202020200111201), we get a palindrome (304131202131403).

The spelling of 102111002020202 in words is "one hundred two trillion, one hundred eleven billion, two million, twenty thousand, two hundred two".