121101123232220 has 12 divisors (see below), whose sum is σ = 254312358787704. Its totient is φ = 48440449292880.

The previous prime is 121101123232211. The next prime is 121101123232279. The reversal of 121101123232220 is 22232321101121.

It is a super-2 number, since 2×121101123232220² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3027528080786 + ... + 3027528080825.

It is an arithmetic number, because the mean of its divisors is an integer number (21192696565642).

Almost surely, 2^{121101123232220} is an apocalyptic number.

121101123232220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121101123232220 is an abundant number, since it is smaller than the sum of its proper divisors (133211235555484).

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

121101123232220 is a wasteful number, since it uses less digits than its factorization.

121101123232220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6055056161620 (or 6055056161618 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121101123232220 its reverse (22232321101121), we get a palindrome (143333444333341).

It can be divided in two parts, 121101 and 123232220, that added together give a palindrome (123353321).

The spelling of 121101123232220 in words is "one hundred twenty-one trillion, one hundred one billion, one hundred twenty-three million, two hundred thirty-two thousand, two hundred twenty".