2113111962 has 96 divisors (see below), whose sum is σ = 5278640640. Its totient is φ = 629156160.

The previous prime is 2113111943. The next prime is 2113111991. The reversal of 2113111962 is 2691113112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190464 + ... + 201252.

It is an arithmetic number, because the mean of its divisors is an integer number (54985840).

Almost surely, 2^2113111962 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113111962, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2639320320).

2113111962 is an abundant number, since it is smaller than the sum of its proper divisors (3165528678).

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

2113111962 is a wasteful number, since it uses less digits than its factorization.

2113111962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10850 (or 10838 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 2113111962 is about 45968.5975639893. The cubic root of 2113111962 is about 1283.2388601882.

The spelling of 2113111962 in words is "two billion, one hundred thirteen million, one hundred eleven thousand, nine hundred sixty-two".