122101121123 has 4 divisors (see below), whose sum is σ = 126311504640. Its totient is φ = 117890737608.

The previous prime is 122101121119. The next prime is 122101121141. The reversal of 122101121123 is 321121101221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122101121123 - 2² = 122101121119 is a prime.

It is a super-3 number, since 3×122101121123³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122101127123) 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, 2105191715 + ... + 2105191772.

It is an arithmetic number, because the mean of its divisors is an integer number (31577876160).

Almost surely, 2^122101121123 is an apocalyptic number.

122101121123 is a deficient number, since it is larger than the sum of its proper divisors (4210383517).

122101121123 is an equidigital number, since it uses as much as digits as its factorization.

122101121123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210383516.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 122101121123 its reverse (321121101221), we get a palindrome (443222222344).

The spelling of 122101121123 in words is "one hundred twenty-two billion, one hundred one million, one hundred twenty-one thousand, one hundred twenty-three".