22031001120 has 96 divisors (see below), whose sum is σ = 69452728128. Its totient is φ = 5870271488.

The previous prime is 22031001103. The next prime is 22031001137. The reversal of 22031001120 is 2110013022.

It is an interprime number because it is at equal distance from previous prime (22031001103) and next prime (22031001137).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 22031001096 and 22031001105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609802 + ... + 644918.

It is an arithmetic number, because the mean of its divisors is an integer number (723465918).

Almost surely, 2^22031001120 is an apocalyptic number.

22031001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22031001120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34726364064).

22031001120 is an abundant number, since it is smaller than the sum of its proper divisors (47421727008).

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

22031001120 is a wasteful number, since it uses less digits than its factorization.

22031001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36442 (or 36434 counting only the distinct ones).

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

Adding to 22031001120 its reverse (2110013022), we get a palindrome (24141014142).

The spelling of 22031001120 in words is "twenty-two billion, thirty-one million, one thousand, one hundred twenty".