101222031243 has 4 divisors (see below), whose sum is σ = 134962708328. Its totient is φ = 67481354160.

The previous prime is 101222031241. The next prime is 101222031247. The reversal of 101222031243 is 342130222101.

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

It is not a de Polignac number, because 101222031243 - 2¹ = 101222031241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101222031241) 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, 16870338538 + ... + 16870338543.

It is an arithmetic number, because the mean of its divisors is an integer number (33740677082).

Almost surely, 2^101222031243 is an apocalyptic number.

101222031243 is a deficient number, since it is larger than the sum of its proper divisors (33740677085).

101222031243 is an equidigital number, since it uses as much as digits as its factorization.

101222031243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33740677084.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 101222031243 its reverse (342130222101), we get a palindrome (443352253344).

The spelling of 101222031243 in words is "one hundred one billion, two hundred twenty-two million, thirty-one thousand, two hundred forty-three".