2021100102010 has 32 divisors (see below), whose sum is σ = 4053146211072. Its totient is φ = 719308351680.

The previous prime is 2021100101989. The next prime is 2021100102023. The reversal of 2021100102010 is 102010011202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195459057 + ... + 195469396.

It is an arithmetic number, because the mean of its divisors is an integer number (126660819096).

Almost surely, 2^{2021100102010} is an apocalyptic number.

2021100102010 is an abundant number, since it is smaller than the sum of its proper divisors (2032046109062).

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

2021100102010 is a wasteful number, since it uses less digits than its factorization.

2021100102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390928518.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2021100102010 its reverse (102010011202), we get a palindrome (2123110113212).

The spelling of 2021100102010 in words is "two trillion, twenty-one billion, one hundred million, one hundred two thousand, ten".