101020102104 has 32 divisors (see below), whose sum is σ = 252593990640. Its totient is φ = 33667536000.

The previous prime is 101020102037. The next prime is 101020102121. The reversal of 101020102104 is 401201020101.

It is a happy number.

It is a super-2 number, since 2×101020102104² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 101020102104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221847 + ... + 501254.

Almost surely, 2^101020102104 is an apocalyptic number.

It is an amenable number.

101020102104 is an abundant number, since it is smaller than the sum of its proper divisors (151573888536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101020102104 is a wasteful number, since it uses less digits than its factorization.

101020102104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728931 (or 728927 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101020102104 its reverse (401201020101), we get a palindrome (502221122205).

The spelling of 101020102104 in words is "one hundred one billion, twenty million, one hundred two thousand, one hundred four".