122002131101123 has 24 divisors (see below), whose sum is σ = 153523206200448. Its totient is φ = 96096292379136.

The previous prime is 122002131101119. The next prime is 122002131101129. The reversal of 122002131101123 is 321101131200221.

It is not a de Polignac number, because 122002131101123 - 2² = 122002131101119 is a prime.

It is a super-2 number, since 2×122002131101123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122002131101095 and 122002131101104.

It is not an unprimeable number, because it can be changed into a prime (122002131101129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 429288686 + ... + 429572787.

It is an arithmetic number, because the mean of its divisors is an integer number (6396800258352).

Almost surely, 2^{122002131101123} is an apocalyptic number.

122002131101123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122002131101123 is a deficient number, since it is larger than the sum of its proper divisors (31521075099325).

122002131101123 is a wasteful number, since it uses less digits than its factorization.

122002131101123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858861723 (or 858861716 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 122002131101123 its reverse (321101131200221), we get a palindrome (443103262301344).

The spelling of 122002131101123 in words is "one hundred twenty-two trillion, two billion, one hundred thirty-one million, one hundred one thousand, one hundred twenty-three".