122110010012121 has 4 divisors (see below), whose sum is σ = 162813346682832. Its totient is φ = 81406673341412.

The previous prime is 122110010012083. The next prime is 122110010012171. The reversal of 122110010012121 is 121210010011221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122110010012121 - 2⁹ = 122110010011609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122110010012121.

It is not an unprimeable number, because it can be changed into a prime (122110010012171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20351668335351 + ... + 20351668335356.

It is an arithmetic number, because the mean of its divisors is an integer number (40703336670708).

Almost surely, 2^{122110010012121} is an apocalyptic number.

It is an amenable number.

122110010012121 is a deficient number, since it is larger than the sum of its proper divisors (40703336670711).

122110010012121 is an equidigital number, since it uses as much as digits as its factorization.

122110010012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40703336670710.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 122110010012121 its reverse (121210010011221), we get a palindrome (243320020023342).

The spelling of 122110010012121 in words is "one hundred twenty-two trillion, one hundred ten billion, ten million, twelve thousand, one hundred twenty-one".