1919402222120 has 64 divisors (see below), whose sum is σ = 4414646577600. Its totient is φ = 750860605440.

The previous prime is 1919402222069. The next prime is 1919402222137. The reversal of 1919402222120 is 212222049191.

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, 2203721 + ... + 2948760.

It is an arithmetic number, because the mean of its divisors is an integer number (68978852775).

Almost surely, 2^{1919402222120} is an apocalyptic number.

1919402222120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1919402222120 is an abundant number, since it is smaller than the sum of its proper divisors (2495244355480).

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

1919402222120 is a wasteful number, since it uses less digits than its factorization.

1919402222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5152698 (or 5152694 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 1919402222120 in words is "one trillion, nine hundred nineteen billion, four hundred two million, two hundred twenty-two thousand, one hundred twenty".