22131310010101 has 4 divisors (see below), whose sum is σ = 22161502793932. Its totient is φ = 22101117226272.

The previous prime is 22131310010041. The next prime is 22131310010141. The reversal of 22131310010101 is 10101001313122.

It is a happy number.

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 12011111147025 + 10120198863076 = 3465705^2 + 3181226^2 .

It is a cyclic number.

It is not a de Polignac number, because 22131310010101 - 2⁷ = 22131310009973 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 (22131310010141) 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, 15096390816 + ... + 15096392281.

It is an arithmetic number, because the mean of its divisors is an integer number (5540375698483).

Almost surely, 2^{22131310010101} is an apocalyptic number.

It is an amenable number.

22131310010101 is a deficient number, since it is larger than the sum of its proper divisors (30192783831).

22131310010101 is an equidigital number, since it uses as much as digits as its factorization.

22131310010101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30192783830.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 22131310010101 its reverse (10101001313122), we get a palindrome (32232311323223).

The spelling of 22131310010101 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred ten million, ten thousand, one hundred one".