2122155463260 has 48 divisors (see below), whose sum is σ = 6790897483776. Its totient is φ = 485064105792.

The previous prime is 2122155463243. The next prime is 2122155463261. The reversal of 2122155463260 is 623645512212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122155463261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2526375132 + ... + 2526375971.

It is an arithmetic number, because the mean of its divisors is an integer number (141477030912).

Almost surely, 2^{2122155463260} is an apocalyptic number.

2122155463260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122155463260 is an abundant number, since it is smaller than the sum of its proper divisors (4668742020516).

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

2122155463260 is a wasteful number, since it uses less digits than its factorization.

2122155463260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052751122 (or 5052751120 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 2122155463260 in words is "two trillion, one hundred twenty-two billion, one hundred fifty-five million, four hundred sixty-three thousand, two hundred sixty".