2101002011212 has 24 divisors (see below), whose sum is σ = 3959657263296. Its totient is φ = 969674489088.

The previous prime is 2101002011117. The next prime is 2101002011231. The reversal of 2101002011212 is 2121102001012.

It is a super-2 number, since 2×2101002011212² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 2101002011192 and 2101002011201.

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, 2533533 + ... + 3258955.

It is an arithmetic number, because the mean of its divisors is an integer number (164985719304).

Almost surely, 2^{2101002011212} is an apocalyptic number.

It is an amenable number.

2101002011212 is a deficient number, since it is larger than the sum of its proper divisors (1858655252084).

2101002011212 is a wasteful number, since it uses less digits than its factorization.

2101002011212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781137 (or 781135 counting only the distinct ones).

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

Adding to 2101002011212 its reverse (2121102001012), we get a palindrome (4222104012224).

The spelling of 2101002011212 in words is "two trillion, one hundred one billion, two million, eleven thousand, two hundred twelve".