22101001022 has 4 divisors (see below), whose sum is σ = 33151501536. Its totient is φ = 11050500510.

The previous prime is 22101001019. The next prime is 22101001033. The reversal of 22101001022 is 22010010122.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 22101000994 and 22101001012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525250254 + ... + 5525250257.

It is an arithmetic number, because the mean of its divisors is an integer number (8287875384).

Almost surely, 2^22101001022 is an apocalyptic number.

22101001022 is a deficient number, since it is larger than the sum of its proper divisors (11050500514).

22101001022 is a wasteful number, since it uses less digits than its factorization.

22101001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11050500513.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22101001022 its reverse (22010010122), we get a palindrome (44111011144).

It can be divided in two parts, 2210100 and 1022, that added together give a palindrome (2211122).

The spelling of 22101001022 in words is "twenty-two billion, one hundred one million, one thousand, twenty-two".