2211113177952 has 192 divisors, whose sum is σ = 7095947120640. Its totient is φ = 588455018496.

The previous prime is 2211113177927. The next prime is 2211113177989. The reversal of 2211113177952 is 2597713111122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110449 + ... + 2105807.

It is an arithmetic number, because the mean of its divisors is an integer number (36958057920).

Almost surely, 2^{2211113177952} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2211113177952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3547973560320).

2211113177952 is an abundant number, since it is smaller than the sum of its proper divisors (4884833942688).

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

2211113177952 is a wasteful number, since it uses less digits than its factorization.

2211113177952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995493 (or 1995485 counting only the distinct ones).

The product of its digits is 52920, while the sum is 42.

The spelling of 2211113177952 in words is "two trillion, two hundred eleven billion, one hundred thirteen million, one hundred seventy-seven thousand, nine hundred fifty-two".