121112100012122 has 8 divisors (see below), whose sum is σ = 181769697340500. Its totient is φ = 60522200898624.

The previous prime is 121112100012089. The next prime is 121112100012143. The reversal of 121112100012122 is 221210001211121.

It can be written as a sum of positive squares in 2 ways, for example, as 121094860584721 + 17239427401 = 11004311^2 + 131299^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 121112100012122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16924549247 + ... + 16924556402.

Almost surely, 2^{121112100012122} is an apocalyptic number.

121112100012122 is a deficient number, since it is larger than the sum of its proper divisors (60657597328378).

121112100012122 is a wasteful number, since it uses less digits than its factorization.

121112100012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33849107440.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121112100012122 its reverse (221210001211121), we get a palindrome (342322101223243).

The spelling of 121112100012122 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred million, twelve thousand, one hundred twenty-two".