120211121100 has 144 divisors (see below), whose sum is σ = 410320848896. Its totient is φ = 26590464000.

The previous prime is 120211121099. The next prime is 120211121113. The reversal of 120211121100 is 1121112021.

It is a super-2 number, since 2×120211121100² (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 an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 858181 + ... + 988380.

Almost surely, 2^120211121100 is an apocalyptic number.

120211121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120211121100 is an abundant number, since it is smaller than the sum of its proper divisors (290109727796).

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

120211121100 is a wasteful number, since it uses less digits than its factorization.

120211121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846616 (or 1846609 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120211121100 its reverse (1121112021), we get a palindrome (121332233121).

The spelling of 120211121100 in words is "one hundred twenty billion, two hundred eleven million, one hundred twenty-one thousand, one hundred".