102121002101010 has 32 divisors (see below), whose sum is σ = 249244479708480. Its totient is φ = 26770703375168.

The previous prime is 102121002100993. The next prime is 102121002101071. The reversal of 102121002101010 is 10101200121201.

It is a super-2 number, since 2×102121002101010² (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 15 ways as a sum of consecutive naturals, for example, 28847738937 + ... + 28847742476.

It is an arithmetic number, because the mean of its divisors is an integer number (7788889990890).

Almost surely, 2^{102121002101010} is an apocalyptic number.

102121002101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102121002101010 is an abundant number, since it is smaller than the sum of its proper divisors (147123477607470).

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

102121002101010 is a wasteful number, since it uses less digits than its factorization.

102121002101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57695481482.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102121002101010 its reverse (10101200121201), we get a palindrome (112222202222211).

The spelling of 102121002101010 in words is "one hundred two trillion, one hundred twenty-one billion, two million, one hundred one thousand, ten".