202101021220202 has 32 divisors (see below), whose sum is σ = 331340255201088. Its totient is φ = 91892511760896.

The previous prime is 202101021220171. The next prime is 202101021220253. The reversal of 202101021220202 is 202022120101202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131889788 + ... + 133413335.

It is an arithmetic number, because the mean of its divisors is an integer number (10354382975034).

Almost surely, 2^{202101021220202} is an apocalyptic number.

202101021220202 is a deficient number, since it is larger than the sum of its proper divisors (129239233980886).

202101021220202 is a wasteful number, since it uses less digits than its factorization.

202101021220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265303574.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202101021220202 its reverse (202022120101202), we get a palindrome (404123141321404).

The spelling of 202101021220202 in words is "two hundred two trillion, one hundred one billion, twenty-one million, two hundred twenty thousand, two hundred two".