2121100012010 has 32 divisors (see below), whose sum is σ = 4363712065152. Its totient is φ = 727183235520.

The previous prime is 2121100012007. The next prime is 2121100012067. The reversal of 2121100012010 is 102100011212.

It is a junction number, because it is equal to n+sod(n) for n = 2121100011982 and 2121100012000.

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, 52592 + ... + 2060331.

It is an arithmetic number, because the mean of its divisors is an integer number (136366002036).

Almost surely, 2^{2121100012010} is an apocalyptic number.

2121100012010 is an abundant number, since it is smaller than the sum of its proper divisors (2242612053142).

2121100012010 is a wasteful number, since it uses less digits than its factorization.

2121100012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127278.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2121100012010 its reverse (102100011212), we get a palindrome (2223200023222).

The spelling of 2121100012010 in words is "two trillion, one hundred twenty-one billion, one hundred million, twelve thousand, ten".