103021121112100 has 18 divisors (see below), whose sum is σ = 223555832813474. Its totient is φ = 41208448444800.

The previous prime is 103021121112079. The next prime is 103021121112227. The reversal of 103021121112100 is 1211121120301.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 21920974176256 + 81100146935844 = 4681984^2 + 9005562^2 .

It is a super-2 number, since 2×103021121112100² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 515105605461 + ... + 515105605660.

Almost surely, 2^{103021121112100} is an apocalyptic number.

103021121112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103021121112100 is an abundant number, since it is smaller than the sum of its proper divisors (120534711701374).

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

103021121112100 is a wasteful number, since it uses less digits than its factorization.

103021121112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030211211135 (or 1030211211128 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 103021121112100 its reverse (1211121120301), we get a palindrome (104232242232401).

The spelling of 103021121112100 in words is "one hundred three trillion, twenty-one billion, one hundred twenty-one million, one hundred twelve thousand, one hundred".