202101220202 has 24 divisors (see below), whose sum is σ = 367978445856. Its totient is φ = 82848946488.

The previous prime is 202101220183. The next prime is 202101220253. The reversal of 202101220202 is 202022101202.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44829428 + ... + 44833935.

It is an arithmetic number, because the mean of its divisors is an integer number (15332435244).

Almost surely, 2^202101220202 is an apocalyptic number.

202101220202 is a deficient number, since it is larger than the sum of its proper divisors (165877225654).

202101220202 is a wasteful number, since it uses less digits than its factorization.

202101220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89663402 (or 89663395 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202101220202 its reverse (202022101202), we get a palindrome (404123321404).

The spelling of 202101220202 in words is "two hundred two billion, one hundred one million, two hundred twenty thousand, two hundred two".