202020311231101 has 8 divisors (see below), whose sum is σ = 222336110833344. Its totient is φ = 182029564422720.

The previous prime is 202020311231099. The next prime is 202020311231147. The reversal of 202020311231101 is 101132113020202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202020311231101 - 2¹ = 202020311231099 is a prime.

It is a super-2 number, since 2×202020311231101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202020311231171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81263197161 + ... + 81263199646.

It is an arithmetic number, because the mean of its divisors is an integer number (27792013854168).

Almost surely, 2^{202020311231101} is an apocalyptic number.

It is an amenable number.

202020311231101 is a deficient number, since it is larger than the sum of its proper divisors (20315799602243).

202020311231101 is a wasteful number, since it uses less digits than its factorization.

202020311231101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162526396931.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 202020311231101 its reverse (101132113020202), we get a palindrome (303152424251303).

The spelling of 202020311231101 in words is "two hundred two trillion, twenty billion, three hundred eleven million, two hundred thirty-one thousand, one hundred one".