120111021400100 has 72 divisors (see below), whose sum is σ = 261218408118528. Its totient is φ = 47937970080000.

The previous prime is 120111021400099. The next prime is 120111021400121. The reversal of 120111021400100 is 1004120111021.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 972284537 + ... + 972408063.

Almost surely, 2^{120111021400100} is an apocalyptic number.

120111021400100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120111021400100 is an abundant number, since it is smaller than the sum of its proper divisors (141107386718428).

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

120111021400100 is a wasteful number, since it uses less digits than its factorization.

120111021400100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145005 (or 144998 counting only the distinct ones).

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

Adding to 120111021400100 its reverse (1004120111021), we get a palindrome (121115141511121).

The spelling of 120111021400100 in words is "one hundred twenty trillion, one hundred eleven billion, twenty-one million, four hundred thousand, one hundred".