122110010021 has 8 divisors (see below), whose sum is σ = 124022382624. Its totient is φ = 120200279760.

The previous prime is 122110009969. The next prime is 122110010083. The reversal of 122110010021 is 120010011221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122110010021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122110009984 and 122110010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122110010921) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 567335 + ... + 752388.

It is an arithmetic number, because the mean of its divisors is an integer number (15502797828).

Almost surely, 2^122110010021 is an apocalyptic number.

It is an amenable number.

122110010021 is a deficient number, since it is larger than the sum of its proper divisors (1912372603).

122110010021 is a wasteful number, since it uses less digits than its factorization.

122110010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321171.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122110010021 its reverse (120010011221), we get a palindrome (242120021242).

The spelling of 122110010021 in words is "one hundred twenty-two billion, one hundred ten million, ten thousand, twenty-one".