22001213001 has 16 divisors (see below), whose sum is σ = 30887690240. Its totient is φ = 13891545360.

The previous prime is 22001212973. The next prime is 22001213009. The reversal of 22001213001 is 10031210022.

It is not a de Polignac number, because 22001213001 - 2¹⁵ = 22001180233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22001213009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153816 + ... + 260118.

It is an arithmetic number, because the mean of its divisors is an integer number (1930480640).

Almost surely, 2^22001213001 is an apocalyptic number.

It is an amenable number.

22001213001 is a deficient number, since it is larger than the sum of its proper divisors (8886477239).

22001213001 is a wasteful number, since it uses less digits than its factorization.

22001213001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109956.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 22001213001 its reverse (10031210022), we get a palindrome (32032423023).

The spelling of 22001213001 in words is "twenty-two billion, one million, two hundred thirteen thousand, one".