101012202212220 has 144 divisors (see below), whose sum is σ = 347340204251040. Its totient is φ = 23555881963008.

The previous prime is 101012202212161. The next prime is 101012202212231. The reversal of 101012202212220 is 22212202210101.

It is a happy number.

101012202212220 is a `hidden beast` number, since 1 + 0 + 1 + 0 + 1 + 220 + 221 + 2 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101012202212193 and 101012202212202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1135945219 + ... + 1136034138.

Almost surely, 2^{101012202212220} is an apocalyptic number.

101012202212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101012202212220 is an abundant number, since it is smaller than the sum of its proper divisors (246328002038820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101012202212220 is a wasteful number, since it uses less digits than its factorization.

101012202212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271979404 (or 2271979399 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101012202212220 its reverse (22212202210101), we get a palindrome (123224404422321).

The spelling of 101012202212220 in words is "one hundred one trillion, twelve billion, two hundred two million, two hundred twelve thousand, two hundred twenty".