122100551025 has 48 divisors (see below), whose sum is σ = 203547472128. Its totient is φ = 64580776000.

The previous prime is 122100550987. The next prime is 122100551033. The reversal of 122100551025 is 520155001221.

It is not a de Polignac number, because 122100551025 - 2³⁰ = 121026809201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122100550986 and 122100551004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19912210 + ... + 19918340.

It is an arithmetic number, because the mean of its divisors is an integer number (4240572336).

Almost surely, 2^122100551025 is an apocalyptic number.

122100551025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122100551025 is a deficient number, since it is larger than the sum of its proper divisors (81446921103).

122100551025 is a wasteful number, since it uses less digits than its factorization.

122100551025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8302 (or 8297 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

Adding to 122100551025 its reverse (520155001221), we get a palindrome (642255552246).

The spelling of 122100551025 in words is "one hundred twenty-two billion, one hundred million, five hundred fifty-one thousand, twenty-five".