2112122121010 has 64 divisors (see below), whose sum is σ = 4198035631104. Its totient is φ = 758677579200.

The previous prime is 2112122121007. The next prime is 2112122121023. The reversal of 2112122121010 is 101212212112.

It is a super-2 number, since 2×2112122121010² (a number of 25 digits) contains 22 as substring.

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, 82988107 + ... + 83013553.

It is an arithmetic number, because the mean of its divisors is an integer number (65594306736).

Almost surely, 2^{2112122121010} is an apocalyptic number.

2112122121010 is a deficient number, since it is larger than the sum of its proper divisors (2085913510094).

2112122121010 is a wasteful number, since it uses less digits than its factorization.

2112122121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34639.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2112122121010 its reverse (101212212112), we get a palindrome (2213334333122).

The spelling of 2112122121010 in words is "two trillion, one hundred twelve billion, one hundred twenty-two million, one hundred twenty-one thousand, ten".