122202021101 has 4 divisors (see below), whose sum is σ = 123411942204. Its totient is φ = 120992100000.

The previous prime is 122202021089. The next prime is 122202021103. The reversal of 122202021101 is 101120202221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91173198601 + 31028822500 = 301949^2 + 176150^2 .

It is a cyclic number.

It is not a de Polignac number, because 122202021101 - 2⁶ = 122202021037 is a prime.

It is a super-2 number, since 2×122202021101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122202021103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604960400 + ... + 604960601.

It is an arithmetic number, because the mean of its divisors is an integer number (30852985551).

Almost surely, 2^122202021101 is an apocalyptic number.

It is an amenable number.

122202021101 is a deficient number, since it is larger than the sum of its proper divisors (1209921103).

122202021101 is a wasteful number, since it uses less digits than its factorization.

122202021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209921102.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122202021101 its reverse (101120202221), we get a palindrome (223322223322).

The spelling of 122202021101 in words is "one hundred twenty-two billion, two hundred two million, twenty-one thousand, one hundred one".