1010121002220 has 96 divisors (see below), whose sum is σ = 3086605783296. Its totient is φ = 244786924800.

The previous prime is 1010121002203. The next prime is 1010121002243. The reversal of 1010121002220 is 222001210101.

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 = 1010121002196 and 1010121002205.

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, 1503930 + ... + 2069310.

It is an arithmetic number, because the mean of its divisors is an integer number (32152143576).

Almost surely, 2^{1010121002220} is an apocalyptic number.

1010121002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010121002220 is an abundant number, since it is smaller than the sum of its proper divisors (2076484781076).

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

1010121002220 is a wasteful number, since it uses less digits than its factorization.

1010121002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568111 (or 568109 counting only the distinct ones).

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

Adding to 1010121002220 its reverse (222001210101), we get a palindrome (1232122212321).

The spelling of 1010121002220 in words is "one trillion, ten billion, one hundred twenty-one million, two thousand, two hundred twenty".