1010021200220 has 24 divisors (see below), whose sum is σ = 2172777315408. Its totient is φ = 394154614400.

The previous prime is 1010021200211. The next prime is 1010021200259. The reversal of 1010021200220 is 220021200101.

It is a happy number.

It is a congruent number.

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, 615865766 + ... + 615867405.

It is an arithmetic number, because the mean of its divisors is an integer number (90532388142).

Almost surely, 2^{1010021200220} is an apocalyptic number.

1010021200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010021200220 is an abundant number, since it is smaller than the sum of its proper divisors (1162756115188).

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

1010021200220 is a wasteful number, since it uses less digits than its factorization.

1010021200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231733221 (or 1231733219 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1010021200220 its reverse (220021200101), we get a palindrome (1230042400321).

The spelling of 1010021200220 in words is "one trillion, ten billion, twenty-one million, two hundred thousand, two hundred twenty".