121022200101100 has 36 divisors (see below), whose sum is σ = 262620060381000. Its totient is φ = 48408532360960.

The previous prime is 121022200101097. The next prime is 121022200101107. The reversal of 121022200101100 is 1101002220121.

It is not an unprimeable number, because it can be changed into a prime (121022200101107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9878676 + ... + 18429124.

It is an arithmetic number, because the mean of its divisors is an integer number (7295001677250).

Almost surely, 2^{121022200101100} is an apocalyptic number.

121022200101100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121022200101100 is an abundant number, since it is smaller than the sum of its proper divisors (141597860279900).

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

121022200101100 is a wasteful number, since it uses less digits than its factorization.

121022200101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8692002 (or 8691995 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121022200101100 its reverse (1101002220121), we get a palindrome (122123202321221).

The spelling of 121022200101100 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred million, one hundred one thousand, one hundred".