121120022088 has 128 divisors (see below), whose sum is σ = 362964201600. Its totient is φ = 37201939200.

The previous prime is 121120022087. The next prime is 121120022119. The reversal of 121120022088 is 880220021121.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (121120022087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1565598 + ... + 1641138.

It is an arithmetic number, because the mean of its divisors is an integer number (2835657825).

Almost surely, 2^121120022088 is an apocalyptic number.

121120022088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121120022088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181482100800).

121120022088 is an abundant number, since it is smaller than the sum of its proper divisors (241844179512).

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

121120022088 is a wasteful number, since it uses less digits than its factorization.

121120022088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76140 (or 76130 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The spelling of 121120022088 in words is "one hundred twenty-one billion, one hundred twenty million, twenty-two thousand, eighty-eight".