102011221120100 has 36 divisors (see below), whose sum is σ = 233015105089200. Its totient is φ = 38656883792160.

The previous prime is 102011221120093. The next prime is 102011221120163. The reversal of 102011221120100 is 1021122110201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26845056290 + ... + 26845060089.

Almost surely, 2^{102011221120100} is an apocalyptic number.

102011221120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102011221120100 is an abundant number, since it is smaller than the sum of its proper divisors (131003883969100).

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

102011221120100 is a wasteful number, since it uses less digits than its factorization.

102011221120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53690116412 (or 53690116405 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102011221120100 its reverse (1021122110201), we get a palindrome (103032343230301).

The spelling of 102011221120100 in words is "one hundred two trillion, eleven billion, two hundred twenty-one million, one hundred twenty thousand, one hundred".