2021100100010 has 16 divisors (see below), whose sum is σ = 3638126620800. Its totient is φ = 808407497616.

The previous prime is 2021100099973. The next prime is 2021100100021. The reversal of 2021100100010 is 100010011202.

It is a super-2 number, since 2×2021100100010² (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 7 ways as a sum of consecutive naturals, for example, 3806150 + ... + 4304529.

It is an arithmetic number, because the mean of its divisors is an integer number (227382913800).

Almost surely, 2^{2021100100010} is an apocalyptic number.

2021100100010 is a deficient number, since it is larger than the sum of its proper divisors (1617026520790).

2021100100010 is a wasteful number, since it uses less digits than its factorization.

2021100100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8135605.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 2021100100010 its reverse (100010011202), we get a palindrome (2121110111212).

The spelling of 2021100100010 in words is "two trillion, twenty-one billion, one hundred million, one hundred thousand, ten".