202111102124 has 6 divisors (see below), whose sum is σ = 353694428724. Its totient is φ = 101055551060.

The previous prime is 202111102117. The next prime is 202111102147. The reversal of 202111102124 is 421201111202.

202111102124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×202111102124² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25263887762 + ... + 25263887769.

It is an arithmetic number, because the mean of its divisors is an integer number (58949071454).

Almost surely, 2^202111102124 is an apocalyptic number.

It is an amenable number.

202111102124 is a deficient number, since it is larger than the sum of its proper divisors (151583326600).

202111102124 is a wasteful number, since it uses less digits than its factorization.

202111102124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50527775535 (or 50527775533 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202111102124 its reverse (421201111202), we get a palindrome (623312213326).

The spelling of 202111102124 in words is "two hundred two billion, one hundred eleven million, one hundred two thousand, one hundred twenty-four".