2112113021450 has 24 divisors (see below), whose sum is σ = 3928678801068. Its totient is φ = 844813255680.

The previous prime is 2112113021419. The next prime is 2112113021461. The reversal of 2112113021450 is 541203112112.

It can be written as a sum of positive squares in 6 ways, for example, as 1930774167529 + 181338853921 = 1389523^2 + 425839^2 .

It is a super-2 number, since 2×2112113021450² (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 11 ways as a sum of consecutive naturals, for example, 559274 + ... + 2130026.

Almost surely, 2^{2112113021450} is an apocalyptic number.

2112113021450 is a deficient number, since it is larger than the sum of its proper divisors (1816565779618).

2112113021450 is a wasteful number, since it uses less digits than its factorization.

2112113021450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597658 (or 1597653 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 2112113021450 its reverse (541203112112), we get a palindrome (2653316133562).

The spelling of 2112113021450 in words is "two trillion, one hundred twelve billion, one hundred thirteen million, twenty-one thousand, four hundred fifty".