122211101212123 has 16 divisors (see below), whose sum is σ = 155241937933056. Its totient is φ = 93432647823840.

The previous prime is 122211101212069. The next prime is 122211101212127. The reversal of 122211101212123 is 321212101112221.

It is a cyclic number.

It is not a de Polignac number, because 122211101212123 - 2¹³ = 122211101203931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122211101212094 and 122211101212103.

It is not an unprimeable number, because it can be changed into a prime (122211101212127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14973176661 + ... + 14973184822.

It is an arithmetic number, because the mean of its divisors is an integer number (9702621120816).

Almost surely, 2^{122211101212123} is an apocalyptic number.

122211101212123 is a deficient number, since it is larger than the sum of its proper divisors (33030836720933).

122211101212123 is a wasteful number, since it uses less digits than its factorization.

122211101212123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29946361554.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 122211101212123 its reverse (321212101112221), we get a palindrome (443423202324344).

The spelling of 122211101212123 in words is "one hundred twenty-two trillion, two hundred eleven billion, one hundred one million, two hundred twelve thousand, one hundred twenty-three".