2115221205460 has 48 divisors (see below), whose sum is σ = 4895736027840. Its totient is φ = 761241738240.

The previous prime is 2115221205457. The next prime is 2115221205523. The reversal of 2115221205460 is 645021225112.

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, 49538670 + ... + 49581349.

It is an arithmetic number, because the mean of its divisors is an integer number (101994500580).

Almost surely, 2^{2115221205460} is an apocalyptic number.

2115221205460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115221205460 is an abundant number, since it is smaller than the sum of its proper divisors (2780514822380).

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

2115221205460 is a wasteful number, since it uses less digits than its factorization.

2115221205460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99120136 (or 99120134 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 2115221205460 in words is "two trillion, one hundred fifteen billion, two hundred twenty-one million, two hundred five thousand, four hundred sixty".