2021102100010 has 16 divisors (see below), whose sum is σ = 4157695748736. Its totient is φ = 692949291408.

The previous prime is 2021102099999. The next prime is 2021102100049. The reversal of 2021102100010 is 100012011202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2021102100010.

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, 14436443502 + ... + 14436443641.

It is an arithmetic number, because the mean of its divisors is an integer number (259855984296).

Almost surely, 2^{2021102100010} is an apocalyptic number.

2021102100010 is an abundant number, since it is smaller than the sum of its proper divisors (2136593648726).

2021102100010 is a wasteful number, since it uses less digits than its factorization.

2021102100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28872887157.

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

Adding to 2021102100010 its reverse (100012011202), we get a palindrome (2121114111212).

The spelling of 2021102100010 in words is "two trillion, twenty-one billion, one hundred two million, one hundred thousand, ten".