2102023111200 has 144 divisors (see below), whose sum is σ = 7001203831776. Its totient is φ = 547503667200.

The previous prime is 2102023111171. The next prime is 2102023111229. The reversal of 2102023111200 is 21113202012.

It is an interprime number because it is at equal distance from previous prime (2102023111171) and next prime (2102023111229).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2102023111200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10081021 + ... + 10287420.

It is an arithmetic number, because the mean of its divisors is an integer number (48619471054).

Almost surely, 2^{2102023111200} is an apocalyptic number.

2102023111200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102023111200 is an abundant number, since it is smaller than the sum of its proper divisors (4899180720576).

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

2102023111200 is a wasteful number, since it uses less digits than its factorization.

2102023111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20368507 (or 20368494 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2102023111200 its reverse (21113202012), we get a palindrome (2123136313212).

The spelling of 2102023111200 in words is "two trillion, one hundred two billion, twenty-three million, one hundred eleven thousand, two hundred".