2111122022152 has 128 divisors (see below), whose sum is σ = 4890963409920. Its totient is φ = 841037184000.

The previous prime is 2111122022081. The next prime is 2111122022153. The reversal of 2111122022152 is 2512202211112.

It is a super-2 number, since 2×2111122022152² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2111122022153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1318002 + ... + 2441182.

It is an arithmetic number, because the mean of its divisors is an integer number (38210651640).

Almost surely, 2^{2111122022152} is an apocalyptic number.

2111122022152 is a gapful number since it is divisible by the number (22) 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 2111122022152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2445481704960).

2111122022152 is an abundant number, since it is smaller than the sum of its proper divisors (2779841387768).

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

2111122022152 is a wasteful number, since it uses less digits than its factorization.

2111122022152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123295 (or 1123291 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 2111122022152 its reverse (2512202211112), we get a palindrome (4623324233264).

The spelling of 2111122022152 in words is "two trillion, one hundred eleven billion, one hundred twenty-two million, twenty-two thousand, one hundred fifty-two".