1010102101220 has 72 divisors (see below), whose sum is σ = 2305735200384. Its totient is φ = 371430065664.

The previous prime is 1010102101207. The next prime is 1010102101247. The reversal of 1010102101220 is 221012010101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1783532 + ... + 2280611.

Almost surely, 2^{1010102101220} is an apocalyptic number.

1010102101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010102101220 is an abundant number, since it is smaller than the sum of its proper divisors (1295633099164).

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

1010102101220 is a wasteful number, since it uses less digits than its factorization.

1010102101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064229 (or 4064210 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1010102101220 its reverse (221012010101), we get a palindrome (1231114111321).

The spelling of 1010102101220 in words is "one trillion, ten billion, one hundred two million, one hundred one thousand, two hundred twenty".