1900021102204 has 24 divisors (see below), whose sum is σ = 3327119384400. Its totient is φ = 949415712000.

The previous prime is 1900021102183. The next prime is 1900021102211. The reversal of 1900021102204 is 4022011200091.

It is a super-2 number, since 2×1900021102204² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71682954 + ... + 71709454.

It is an arithmetic number, because the mean of its divisors is an integer number (138629974350).

Almost surely, 2^{1900021102204} is an apocalyptic number.

It is an amenable number.

1900021102204 is a deficient number, since it is larger than the sum of its proper divisors (1427098282196).

1900021102204 is a wasteful number, since it uses less digits than its factorization.

1900021102204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37053 (or 37051 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 1900021102204 its reverse (4022011200091), we get a palindrome (5922032302295).

It can be divided in two parts, 1900021 and 102204, that added together give a square (2002225 = 1415²).

The spelling of 1900021102204 in words is "one trillion, nine hundred billion, twenty-one million, one hundred two thousand, two hundred four".