122006655555 has 16 divisors (see below), whose sum is σ = 197681671680. Its totient is φ = 64246542048.

The previous prime is 122006655539. The next prime is 122006655571. The reversal of 122006655555 is 555556600221.

It is an interprime number because it is at equal distance from previous prime (122006655539) and next prime (122006655571).

It is not a de Polignac number, because 122006655555 - 2⁴ = 122006655539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51478417 + ... + 51480786.

It is an arithmetic number, because the mean of its divisors is an integer number (12355104480).

Almost surely, 2^122006655555 is an apocalyptic number.

122006655555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122006655555 is a deficient number, since it is larger than the sum of its proper divisors (75675016125).

122006655555 is a wasteful number, since it uses less digits than its factorization.

122006655555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102959290.

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 122006655555 in words is "one hundred twenty-two billion, six million, six hundred fifty-five thousand, five hundred fifty-five".