122021121101 has 16 divisors (see below), whose sum is σ = 134175308928. Its totient is φ = 110046081600.

The previous prime is 122021121097. The next prime is 122021121127. The reversal of 122021121101 is 101121120221.

It is a cyclic number.

It is not a de Polignac number, because 122021121101 - 2² = 122021121097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021121161) 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, 1033751 + ... + 1145723.

It is an arithmetic number, because the mean of its divisors is an integer number (8385956808).

Almost surely, 2^122021121101 is an apocalyptic number.

122021121101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122021121101 is a deficient number, since it is larger than the sum of its proper divisors (12154187827).

122021121101 is a wasteful number, since it uses less digits than its factorization.

122021121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112772.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122021121101 its reverse (101121120221), we get a palindrome (223142241322).

The spelling of 122021121101 in words is "one hundred twenty-two billion, twenty-one million, one hundred twenty-one thousand, one hundred one".