100100222121631 has 2 divisors, whose sum is σ = 100100222121632. Its totient is φ = 100100222121630.

The previous prime is 100100222121629. The next prime is 100100222121709. The reversal of 100100222121631 is 136121222001001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100100222121631 - 2¹ = 100100222121629 is a prime.

It is a super-2 number, since 2×100100222121631² (a number of 29 digits) contains 22 as substring.

Together with 100100222121629, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100100222121131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050111060815 + 50050111060816.

It is an arithmetic number, because the mean of its divisors is an integer number (50050111060816).

Almost surely, 2^{100100222121631} is an apocalyptic number.

100100222121631 is a deficient number, since it is larger than the sum of its proper divisors (1).

100100222121631 is an equidigital number, since it uses as much as digits as its factorization.

100100222121631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 100100222121631 its reverse (136121222001001), we get a palindrome (236221444122632).

The spelling of 100100222121631 in words is "one hundred trillion, one hundred billion, two hundred twenty-two million, one hundred twenty-one thousand, six hundred thirty-one".