2111138029932 has 192 divisors, whose sum is σ = 5446056591360. Its totient is φ = 633586176000.

The previous prime is 2111138029883. The next prime is 2111138029969. The reversal of 2111138029932 is 2399208311112.

It is a super-2 number, since 2×2111138029932² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 459240258 + ... + 459244854.

It is an arithmetic number, because the mean of its divisors is an integer number (28364878080).

Almost surely, 2^{2111138029932} 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 2111138029932, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2723028295680).

2111138029932 is an abundant number, since it is smaller than the sum of its proper divisors (3334918561428).

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

2111138029932 is a wasteful number, since it uses less digits than its factorization.

2111138029932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5472 (or 5470 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The spelling of 2111138029932 in words is "two trillion, one hundred eleven billion, one hundred thirty-eight million, twenty-nine thousand, nine hundred thirty-two".