2101202212102 has 12 divisors (see below), whose sum is σ = 3666383451900. Its totient is φ = 900515233716.

The previous prime is 2101202212093. The next prime is 2101202212177. The reversal of 2101202212102 is 2012122021012.

It is a happy number.

It is a super-2 number, since 2×2101202212102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10720419352 + ... + 10720419547.

It is an arithmetic number, because the mean of its divisors is an integer number (305531954325).

Almost surely, 2^{2101202212102} is an apocalyptic number.

2101202212102 is a deficient number, since it is larger than the sum of its proper divisors (1565181239798).

2101202212102 is a wasteful number, since it uses less digits than its factorization.

2101202212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21440838915 (or 21440838908 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2101202212102 its reverse (2012122021012), we get a palindrome (4113324233114).

The spelling of 2101202212102 in words is "two trillion, one hundred one billion, two hundred two million, two hundred twelve thousand, one hundred two".