122021054655 has 8 divisors (see below), whose sum is σ = 195233687472. Its totient is φ = 65077895808.

The previous prime is 122021054633. The next prime is 122021054669. The reversal of 122021054655 is 556450120221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122021054655 - 2¹³ = 122021046463 is a prime.

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, 4067368474 + ... + 4067368503.

It is an arithmetic number, because the mean of its divisors is an integer number (24404210934).

Almost surely, 2^122021054655 is an apocalyptic number.

122021054655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122021054655 is a deficient number, since it is larger than the sum of its proper divisors (73212632817).

122021054655 is an equidigital number, since it uses as much as digits as its factorization.

122021054655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8134736985.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 122021054655 its reverse (556450120221), we get a palindrome (678471174876).

The spelling of 122021054655 in words is "one hundred twenty-two billion, twenty-one million, fifty-four thousand, six hundred fifty-five".