2112121022010 has 32 divisors (see below), whose sum is σ = 5155007244480. Its totient is φ = 553685962368.

The previous prime is 2112121021979. The next prime is 2112121022051. The reversal of 2112121022010 is 102201212112.

It is a super-2 number, since 2×2112121022010² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 596642587 + ... + 596646126.

It is an arithmetic number, because the mean of its divisors is an integer number (161093976390).

Almost surely, 2^{2112121022010} is an apocalyptic number.

2112121022010 is an abundant number, since it is smaller than the sum of its proper divisors (3042886222470).

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

2112121022010 is a wasteful number, since it uses less digits than its factorization.

2112121022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193288782.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2112121022010 its reverse (102201212112), we get a palindrome (2214322234122).

The spelling of 2112121022010 in words is "two trillion, one hundred twelve billion, one hundred twenty-one million, twenty-two thousand, ten".