213110101012 has 6 divisors (see below), whose sum is σ = 372942676778. Its totient is φ = 106555050504.

The previous prime is 213110100991. The next prime is 213110101027. The reversal of 213110101012 is 210101011312.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 128589656836 + 84520444176 = 358594^2 + 290724^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213110100983 and 213110101001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26638762623 + ... + 26638762630.

Almost surely, 2^213110101012 is an apocalyptic number.

It is an amenable number.

213110101012 is a deficient number, since it is larger than the sum of its proper divisors (159832575766).

213110101012 is a wasteful number, since it uses less digits than its factorization.

213110101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53277525257 (or 53277525255 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 213110101012 its reverse (210101011312), we get a palindrome (423211112324).

The spelling of 213110101012 in words is "two hundred thirteen billion, one hundred ten million, one hundred one thousand, twelve".