122002111101 has 32 divisors (see below), whose sum is σ = 181101892608. Its totient is φ = 72548536320.

The previous prime is 122002111097. The next prime is 122002111109. The reversal of 122002111101 is 101111200221.

It is not a de Polignac number, because 122002111101 - 2² = 122002111097 is a prime.

It is a super-2 number, since 2×122002111101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122002111109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 743965 + ... + 893021.

It is an arithmetic number, because the mean of its divisors is an integer number (5659434144).

Almost surely, 2^122002111101 is an apocalyptic number.

It is an amenable number.

122002111101 is a deficient number, since it is larger than the sum of its proper divisors (59099781507).

122002111101 is a wasteful number, since it uses less digits than its factorization.

122002111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149781.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 122002111101 its reverse (101111200221), we get a palindrome (223113311322).

The spelling of 122002111101 in words is "one hundred twenty-two billion, two million, one hundred eleven thousand, one hundred one".