21122233103101 has 6 divisors (see below), whose sum is σ = 22872003892890. Its totient is φ = 19497445941168.

The previous prime is 21122233103093. The next prime is 21122233103143. The reversal of 21122233103101 is 10130133222112.

It can be written as a sum of positive squares in 3 ways, for example, as 1324232100 + 21120908871001 = 36390^2 + 4595749^2 .

It is not a de Polignac number, because 21122233103101 - 2³ = 21122233103093 is a prime.

It is a super-2 number, since 2×21122233103101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21122233103171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62491813746 + ... + 62491814083.

It is an arithmetic number, because the mean of its divisors is an integer number (3812000648815).

Almost surely, 2^{21122233103101} is an apocalyptic number.

It is an amenable number.

21122233103101 is a deficient number, since it is larger than the sum of its proper divisors (1749770789789).

21122233103101 is a wasteful number, since it uses less digits than its factorization.

21122233103101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124983627855 (or 124983627842 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 21122233103101 its reverse (10130133222112), we get a palindrome (31252366325213).

The spelling of 21122233103101 in words is "twenty-one trillion, one hundred twenty-two billion, two hundred thirty-three million, one hundred three thousand, one hundred one".