1021210211120 has 80 divisors (see below), whose sum is σ = 2603721922560. Its totient is φ = 369404870400.

The previous prime is 1021210211069. The next prime is 1021210211171. The reversal of 1021210211120 is 211120121201.

It is an interprime number because it is at equal distance from previous prime (1021210211069) and next prime (1021210211171).

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1021210211095 and 1021210211104.

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, 2869790 + ... + 3205949.

It is an arithmetic number, because the mean of its divisors is an integer number (32546524032).

Almost surely, 2^{1021210211120} is an apocalyptic number.

1021210211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021210211120 is an abundant number, since it is smaller than the sum of its proper divisors (1582511711440).

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

1021210211120 is a wasteful number, since it uses less digits than its factorization.

1021210211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6075954 (or 6075948 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1021210211120 its reverse (211120121201), we get a palindrome (1232330332321).

The spelling of 1021210211120 in words is "one trillion, twenty-one billion, two hundred ten million, two hundred eleven thousand, one hundred twenty".