2199021190120 has 16 divisors (see below), whose sum is σ = 4947797677860. Its totient is φ = 879608476032.

The previous prime is 2199021190117. The next prime is 2199021190123. The reversal of 2199021190120 is 210911209912.

It is an interprime number because it is at equal distance from previous prime (2199021190117) and next prime (2199021190123).

It can be written as a sum of positive squares in 2 ways, for example, as 2119173124644 + 79848065476 = 1455738^2 + 282574^2 .

It is a super-2 number, since 2×2199021190120² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2199021190120.

It is not an unprimeable number, because it can be changed into a prime (2199021190123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27487764837 + ... + 27487764916.

Almost surely, 2^{2199021190120} is an apocalyptic number.

2199021190120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2199021190120 is an abundant number, since it is smaller than the sum of its proper divisors (2748776487740).

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

2199021190120 is a wasteful number, since it uses less digits than its factorization.

2199021190120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54975529764 (or 54975529760 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 37.

The spelling of 2199021190120 in words is "two trillion, one hundred ninety-nine billion, twenty-one million, one hundred ninety thousand, one hundred twenty".