101002002120202 has 4 divisors (see below), whose sum is σ = 151503003180306. Its totient is φ = 50501001060100.

The previous prime is 101002002120169. The next prime is 101002002120209. The reversal of 101002002120202 is 202021200200101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 95161761397921 + 5840240722281 = 9755089^2 + 2416659^2 .

It is not an unprimeable number, because it can be changed into a prime (101002002120209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25250500530049 + ... + 25250500530052.

Almost surely, 2^{101002002120202} is an apocalyptic number.

101002002120202 is a deficient number, since it is larger than the sum of its proper divisors (50501001060104).

101002002120202 is an equidigital number, since it uses as much as digits as its factorization.

101002002120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50501001060103.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 101002002120202 its reverse (202021200200101), we get a palindrome (303023202320303).

The spelling of 101002002120202 in words is "one hundred one trillion, two billion, two million, one hundred twenty thousand, two hundred two".