2101220001112 has 32 divisors (see below), whose sum is σ = 4175102398320. Its totient is φ = 987964922880.

The previous prime is 2101220001091. The next prime is 2101220001131. The reversal of 2101220001112 is 2111000221012.

It is a super-2 number, since 2×2101220001112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2101220001092 and 2101220001101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6437733 + ... + 6756244.

Almost surely, 2^{2101220001112} is an apocalyptic number.

It is an amenable number.

2101220001112 is a deficient number, since it is larger than the sum of its proper divisors (2073882397208).

2101220001112 is a wasteful number, since it uses less digits than its factorization.

2101220001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13195171 (or 13195167 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2101220001112 its reverse (2111000221012), we get a palindrome (4212220222124).

The spelling of 2101220001112 in words is "two trillion, one hundred one billion, two hundred twenty million, one thousand, one hundred twelve".