101010221101012 has 12 divisors (see below), whose sum is σ = 176768018054740. Its totient is φ = 50505073085376.

The previous prime is 101010221101007. The next prime is 101010221101157. The reversal of 101010221101012 is 210101122010101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62098749836176 + 38911471264836 = 7880276^2 + 6237906^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101010221100983 and 101010221101001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2786433 + ... + 14483944.

Almost surely, 2^{101010221101012} is an apocalyptic number.

It is an amenable number.

101010221101012 is a deficient number, since it is larger than the sum of its proper divisors (75757796953728).

101010221101012 is a wasteful number, since it uses less digits than its factorization.

101010221101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18732570 (or 18732568 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101010221101012 its reverse (210101122010101), we get a palindrome (311111343111113).

The spelling of 101010221101012 in words is "one hundred one trillion, ten billion, two hundred twenty-one million, one hundred one thousand, twelve".