22001230011031 has 4 divisors (see below), whose sum is σ = 22148889273000. Its totient is φ = 21853570749064.

The previous prime is 22001230011023. The next prime is 22001230011053. The reversal of 22001230011031 is 13011003210022.

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

It is a cyclic number.

It is not a de Polignac number, because 22001230011031 - 2³ = 22001230011023 is a prime.

It is a super-2 number, since 2×22001230011031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22001230010996 and 22001230011014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001230011011) 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, 73829630761 + ... + 73829631058.

It is an arithmetic number, because the mean of its divisors is an integer number (5537222318250).

Almost surely, 2^{22001230011031} is an apocalyptic number.

22001230011031 is a deficient number, since it is larger than the sum of its proper divisors (147659261969).

22001230011031 is a wasteful number, since it uses less digits than its factorization.

22001230011031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147659261968.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 22001230011031 its reverse (13011003210022), we get a palindrome (35012233221053).

The spelling of 22001230011031 in words is "twenty-two trillion, one billion, two hundred thirty million, eleven thousand, thirty-one".