2112100021202 has 4 divisors (see below), whose sum is σ = 3168150031806. Its totient is φ = 1056050010600.

The previous prime is 2112100021111. The next prime is 2112100021211. The reversal of 2112100021202 is 2021200012112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2065023606361 + 47076414841 = 1437019^2 + 216971^2 .

It is a super-2 number, since 2×2112100021202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528025005299 + ... + 528025005302.

Almost surely, 2^{2112100021202} is an apocalyptic number.

2112100021202 is a deficient number, since it is larger than the sum of its proper divisors (1056050010604).

2112100021202 is a wasteful number, since it uses less digits than its factorization.

2112100021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056050010603.

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

Adding to 2112100021202 its reverse (2021200012112), we get a palindrome (4133300033314).

The spelling of 2112100021202 in words is "two trillion, one hundred twelve billion, one hundred million, twenty-one thousand, two hundred two".