102111020122010 has 16 divisors (see below), whose sum is σ = 187267757658696. Its totient is φ = 40073758840128.

The previous prime is 102111020122003. The next prime is 102111020122109. The reversal of 102111020122010 is 10221020111201.

It can be written as a sum of positive squares in 4 ways, for example, as 101685664412761 + 425355709249 = 10083931^2 + 652193^2 .

It is a super-2 number, since 2×102111020122010² (a number of 29 digits) contains 22 as substring.

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, 96331150529 + ... + 96331151588.

Almost surely, 2^{102111020122010} is an apocalyptic number.

102111020122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102111020122010 is a deficient number, since it is larger than the sum of its proper divisors (85156737536686).

102111020122010 is a wasteful number, since it uses less digits than its factorization.

102111020122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192662302177.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102111020122010 its reverse (10221020111201), we get a palindrome (112332040233211).

The spelling of 102111020122010 in words is "one hundred two trillion, one hundred eleven billion, twenty million, one hundred twenty-two thousand, ten".