101202122021202 has 40 divisors (see below), whose sum is σ = 226783031936076. Its totient is φ = 33731762547168.

The previous prime is 101202122021197. The next prime is 101202122021293. The reversal of 101202122021202 is 202120221202101.

It is a happy number.

101202122021202 is a `hidden beast` number, since 10 + 120 + 212 + 202 + 120 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 100894772640321 + 307349380881 = 10044639^2 + 554391^2 .

It is a super-4 number, since 4×101202122021202⁴ (a number of 57 digits) contains 4444 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18686653 + ... + 23486064.

Almost surely, 2^{101202122021202} is an apocalyptic number.

101202122021202 is an abundant number, since it is smaller than the sum of its proper divisors (125580909914874).

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

101202122021202 is a wasteful number, since it uses less digits than its factorization.

101202122021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42187544 (or 42187535 counting only the distinct ones).

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

Adding to 101202122021202 its reverse (202120221202101), we get a palindrome (303322343223303).

The spelling of 101202122021202 in words is "one hundred one trillion, two hundred two billion, one hundred twenty-two million, twenty-one thousand, two hundred two".