121422533055 has 32 divisors (see below), whose sum is σ = 202959267840. Its totient is φ = 61914618240.

The previous prime is 121422533033. The next prime is 121422533101. The reversal of 121422533055 is 550335224121.

It is not a de Polignac number, because 121422533055 - 2¹² = 121422528959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1534440 + ... + 1611629.

It is an arithmetic number, because the mean of its divisors is an integer number (6342477120).

Almost surely, 2^121422533055 is an apocalyptic number.

121422533055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121422533055 is a deficient number, since it is larger than the sum of its proper divisors (81536734785).

121422533055 is a wasteful number, since it uses less digits than its factorization.

121422533055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3146191.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 121422533055 its reverse (550335224121), we get a palindrome (671757757176).

The spelling of 121422533055 in words is "one hundred twenty-one billion, four hundred twenty-two million, five hundred thirty-three thousand, fifty-five".