122001021101 has 8 divisors (see below), whose sum is σ = 132328224504. Its totient is φ = 112023892480.

The previous prime is 122001021097. The next prime is 122001021119. The reversal of 122001021101 is 101120100221.

It can be written as a sum of positive squares in 4 ways, for example, as 15643505476 + 106357515625 = 125074^2 + 326125^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122001021101 - 2² = 122001021097 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 (122001021601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87517970 + ... + 87519363.

It is an arithmetic number, because the mean of its divisors is an integer number (16541028063).

Almost surely, 2^122001021101 is an apocalyptic number.

It is an amenable number.

122001021101 is a deficient number, since it is larger than the sum of its proper divisors (10327203403).

122001021101 is a wasteful number, since it uses less digits than its factorization.

122001021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175037391.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122001021101 its reverse (101120100221), we get a palindrome (223121121322).

It can be divided in two parts, 12200 and 1021101, that added together give a palindrome (1033301).

The spelling of 122001021101 in words is "one hundred twenty-two billion, one million, twenty-one thousand, one hundred one".