121122021102220 has 24 divisors (see below), whose sum is σ = 256607184534624. Its totient is φ = 48020057922816.

The previous prime is 121122021102217. The next prime is 121122021102307. The reversal of 121122021102220 is 22201120221121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26796905064 + ... + 26796909583.

It is an arithmetic number, because the mean of its divisors is an integer number (10691966022276).

Almost surely, 2^{121122021102220} is an apocalyptic number.

121122021102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121122021102220 is an abundant number, since it is smaller than the sum of its proper divisors (135485163432404).

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

121122021102220 is a wasteful number, since it uses less digits than its factorization.

121122021102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53593814769 (or 53593814767 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121122021102220 its reverse (22201120221121), we get a palindrome (143323141323341).

The spelling of 121122021102220 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, twenty-one million, one hundred two thousand, two hundred twenty".