1010202101220 has 96 divisors (see below), whose sum is σ = 3046379398272. Its totient is φ = 248646233088.

The previous prime is 1010202101191. The next prime is 1010202101297. The reversal of 1010202101220 is 221012020101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1010202101196 and 1010202101205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12160144 + ... + 12242936.

It is an arithmetic number, because the mean of its divisors is an integer number (31733118732).

Almost surely, 2^{1010202101220} is an apocalyptic number.

1010202101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010202101220 is an abundant number, since it is smaller than the sum of its proper divisors (2036177297052).

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

1010202101220 is a wasteful number, since it uses less digits than its factorization.

1010202101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98461 (or 98459 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1010202101220 its reverse (221012020101), we get a palindrome (1231214121321).

The spelling of 1010202101220 in words is "one trillion, ten billion, two hundred two million, one hundred one thousand, two hundred twenty".