122101222002123 has 32 divisors (see below), whose sum is σ = 209083028990976. Its totient is φ = 61604821035648.

The previous prime is 122101222002119. The next prime is 122101222002131. The reversal of 122101222002123 is 321200222101221.

It is not a de Polignac number, because 122101222002123 - 2² = 122101222002119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 122101222002123.

It is not an unprimeable number, because it can be changed into a prime (122101222002623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9722976840 + ... + 9722989397.

It is an arithmetic number, because the mean of its divisors is an integer number (6533844655968).

Almost surely, 2^{122101222002123} is an apocalyptic number.

122101222002123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122101222002123 is a deficient number, since it is larger than the sum of its proper divisors (86981806988853).

122101222002123 is a wasteful number, since it uses less digits than its factorization.

122101222002123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19445966283.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 122101222002123 its reverse (321200222101221), we get a palindrome (443301444103344).

The spelling of 122101222002123 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred twenty-two million, two thousand, one hundred twenty-three".