121220010101120 has 64 divisors (see below), whose sum is σ = 331190384752800. Its totient is φ = 41561146318848.

The previous prime is 121220010101119. The next prime is 121220010101173. The reversal of 121220010101120 is 21101010022121.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 121220010101095 and 121220010101104.

It is a congruent number.

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, 13529014505 + ... + 13529023464.

Almost surely, 2^{121220010101120} is an apocalyptic number.

121220010101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121220010101120 is an abundant number, since it is smaller than the sum of its proper divisors (209970374651680).

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

121220010101120 is an equidigital number, since it uses as much as digits as its factorization.

121220010101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27058037995 (or 27058037983 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121220010101120 its reverse (21101010022121), we get a palindrome (142321020123241).

The spelling of 121220010101120 in words is "one hundred twenty-one trillion, two hundred twenty billion, ten million, one hundred one thousand, one hundred twenty".