202001011222101 has 32 divisors (see below), whose sum is σ = 331525499934720. Its totient is φ = 106538200046784.

The previous prime is 202001011222097. The next prime is 202001011222169. The reversal of 202001011222101 is 101222110100202.

It is not a de Polignac number, because 202001011222101 - 2² = 202001011222097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001011222181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38443041 + ... + 43380518.

It is an arithmetic number, because the mean of its divisors is an integer number (10360171872960).

Almost surely, 2^{202001011222101} is an apocalyptic number.

202001011222101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

202001011222101 is a deficient number, since it is larger than the sum of its proper divisors (129524488712619).

202001011222101 is a wasteful number, since it uses less digits than its factorization.

202001011222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81832625.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202001011222101 its reverse (101222110100202), we get a palindrome (303223121322303).

The spelling of 202001011222101 in words is "two hundred two trillion, one billion, eleven million, two hundred twenty-two thousand, one hundred one".