120202210212021 has 48 divisors (see below), whose sum is σ = 198931877074944. Its totient is φ = 68513055502752.

The previous prime is 120202210211989. The next prime is 120202210212061. The reversal of 120202210212021 is 120212012202021.

It is a happy number.

120202210212021 is a `hidden beast` number, since 1 + 20 + 202 + 210 + 212 + 0 + 21 = 666.

It is not a de Polignac number, because 120202210212021 - 2⁵ = 120202210211989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120202210211985 and 120202210212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120202210212061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63092626 + ... + 64969868.

It is an arithmetic number, because the mean of its divisors is an integer number (4144414105728).

Almost surely, 2^{120202210212021} is an apocalyptic number.

It is an amenable number.

120202210212021 is a deficient number, since it is larger than the sum of its proper divisors (78729666862923).

120202210212021 is a wasteful number, since it uses less digits than its factorization.

120202210212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879830 (or 1879827 counting only the distinct ones).

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

Adding to 120202210212021 its reverse (120212012202021), we get a palindrome (240414222414042).

The spelling of 120202210212021 in words is "one hundred twenty trillion, two hundred two billion, two hundred ten million, two hundred twelve thousand, twenty-one".