22001112102 has 32 divisors (see below), whose sum is σ = 45574099200. Its totient is φ = 7072331168.

The previous prime is 22001112101. The next prime is 22001112103. The reversal of 22001112102 is 20121110022.

It is an interprime number because it is at equal distance from previous prime (22001112101) and next prime (22001112103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001112101) 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, 70633 + ... + 221339.

It is an arithmetic number, because the mean of its divisors is an integer number (1424190600).

Almost surely, 2^22001112102 is an apocalyptic number.

22001112102 is an abundant number, since it is smaller than the sum of its proper divisors (23572987098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22001112102 is a wasteful number, since it uses less digits than its factorization.

22001112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151580.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22001112102 its reverse (20121110022), we get a palindrome (42122222124).

The spelling of 22001112102 in words is "twenty-two billion, one million, one hundred twelve thousand, one hundred two".