2121012022010 has 64 divisors (see below), whose sum is σ = 4403986329600. Its totient is φ = 720412745472.

The previous prime is 2121012021979. The next prime is 2121012022021. The reversal of 2121012022010 is 102202101212.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54222119 + ... + 54261221.

It is an arithmetic number, because the mean of its divisors is an integer number (68812286400).

Almost surely, 2^{2121012022010} is an apocalyptic number.

2121012022010 is an abundant number, since it is smaller than the sum of its proper divisors (2282974307590).

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

2121012022010 is a wasteful number, since it uses less digits than its factorization.

2121012022010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46335.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2121012022010 its reverse (102202101212), we get a palindrome (2223214123222).

The spelling of 2121012022010 in words is "two trillion, one hundred twenty-one billion, twelve million, twenty-two thousand, ten".