101231122022 has 4 divisors (see below), whose sum is σ = 151846683036. Its totient is φ = 50615561010.

The previous prime is 101231121997. The next prime is 101231122073. The reversal of 101231122022 is 220221132101.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25307780504 + ... + 25307780507.

It is an arithmetic number, because the mean of its divisors is an integer number (37961670759).

Almost surely, 2^101231122022 is an apocalyptic number.

101231122022 is a deficient number, since it is larger than the sum of its proper divisors (50615561014).

101231122022 is an equidigital number, since it uses as much as digits as its factorization.

101231122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50615561013.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 101231122022 its reverse (220221132101), we get a palindrome (321452254123).

The spelling of 101231122022 in words is "one hundred one billion, two hundred thirty-one million, one hundred twenty-two thousand, twenty-two".