103202021092 has 6 divisors (see below), whose sum is σ = 180603536918. Its totient is φ = 51601010544.

The previous prime is 103202021047. The next prime is 103202021093. The reversal of 103202021092 is 290120202301.

It can be written as a sum of positive squares in only one way, i.e., 75467781796 + 27734239296 = 274714^2 + 166536^2 .

It is a super-2 number, since 2×103202021092² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103202021093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12900252633 + ... + 12900252640.

Almost surely, 2^103202021092 is an apocalyptic number.

It is an amenable number.

103202021092 is a deficient number, since it is larger than the sum of its proper divisors (77401515826).

103202021092 is a wasteful number, since it uses less digits than its factorization.

103202021092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25800505277 (or 25800505275 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 103202021092 its reverse (290120202301), we get a palindrome (393322223393).

The spelling of 103202021092 in words is "one hundred three billion, two hundred two million, twenty-one thousand, ninety-two".