2221351525020 has 48 divisors (see below), whose sum is σ = 6239405094048. Its totient is φ = 590491756800.

The previous prime is 2221351524949. The next prime is 2221351525033. The reversal of 2221351525020 is 205251531222.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 58376131 + ... + 58414170.

It is an arithmetic number, because the mean of its divisors is an integer number (129987606126).

Almost surely, 2^{2221351525020} is an apocalyptic number.

2221351525020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221351525020 is an abundant number, since it is smaller than the sum of its proper divisors (4018053569028).

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

2221351525020 is a wasteful number, since it uses less digits than its factorization.

2221351525020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116790630 (or 116790628 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 2221351525020 in words is "two trillion, two hundred twenty-one billion, three hundred fifty-one million, five hundred twenty-five thousand, twenty".