1010019181900 has 36 divisors (see below), whose sum is σ = 2192134850640. Its totient is φ = 403935188800.

The previous prime is 1010019181849. The next prime is 1010019181939. The reversal of 1010019181900 is 91819100101.

It is a super-2 number, since 2×1010019181900² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344155 + ... + 1462354.

It is an arithmetic number, because the mean of its divisors is an integer number (60892634740).

Almost surely, 2^{1010019181900} is an apocalyptic number.

1010019181900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010019181900 is an abundant number, since it is smaller than the sum of its proper divisors (1182115668740).

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

1010019181900 is a wasteful number, since it uses less digits than its factorization.

1010019181900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812114 (or 1812107 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 31.

The spelling of 1010019181900 in words is "one trillion, ten billion, nineteen million, one hundred eighty-one thousand, nine hundred".