122101221112019 has 4 divisors (see below), whose sum is σ = 122920692394800. Its totient is φ = 121281749829240.

The previous prime is 122101221111973. The next prime is 122101221112027. The reversal of 122101221112019 is 910211122101221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122101221112019 is a prime.

It is a super-2 number, since 2×122101221112019² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122101221112319) 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, 409735641167 + ... + 409735641464.

It is an arithmetic number, because the mean of its divisors is an integer number (30730173098700).

Almost surely, 2^{122101221112019} is an apocalyptic number.

122101221112019 is a deficient number, since it is larger than the sum of its proper divisors (819471282781).

122101221112019 is an equidigital number, since it uses as much as digits as its factorization.

122101221112019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819471282780.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 122101221112019 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred twenty-one million, one hundred twelve thousand, nineteen".