202001113155 has 16 divisors (see below), whose sum is σ = 323307856800. Its totient is φ = 107698568448.

The previous prime is 202001113151. The next prime is 202001113163. The reversal of 202001113155 is 551311100202.

It is not a de Polignac number, because 202001113155 - 2² = 202001113151 is a prime.

It is a super-2 number, since 2×202001113155² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202001113151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2162652 + ... + 2254121.

It is an arithmetic number, because the mean of its divisors is an integer number (20206741050).

Almost surely, 2^202001113155 is an apocalyptic number.

202001113155 is a deficient number, since it is larger than the sum of its proper divisors (121306743645).

202001113155 is a wasteful number, since it uses less digits than its factorization.

202001113155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419830.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 202001113155 its reverse (551311100202), we get a palindrome (753312213357).

The spelling of 202001113155 in words is "two hundred two billion, one million, one hundred thirteen thousand, one hundred fifty-five".