2021104100 has 36 divisors (see below), whose sum is σ = 4616631600. Its totient is φ = 765891360.

The previous prime is 2021104091. The next prime is 2021104121. The reversal of 2021104100 is 14011202.

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, 529970 + ... + 533769.

Almost surely, 2^2021104100 is an apocalyptic number.

2021104100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021104100 is an abundant number, since it is smaller than the sum of its proper divisors (2595527500).

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

2021104100 is a wasteful number, since it uses less digits than its factorization.

2021104100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063772 (or 1063765 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2021104100 is about 44956.6913818177. The cubic root of 2021104100 is about 1264.3371365097.

Adding to 2021104100 its reverse (14011202), we get a palindrome (2035115302).

The spelling of 2021104100 in words is "two billion, twenty-one million, one hundred four thousand, one hundred".