2111132022030 has 128 divisors (see below), whose sum is σ = 5974427289600. Its totient is φ = 528645284352.

The previous prime is 2111132021983. The next prime is 2111132022031. The reversal of 2111132022030 is 302202311112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2111132021994 and 2111132022012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111132022031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1491159 + ... + 2538861.

It is an arithmetic number, because the mean of its divisors is an integer number (46675213200).

Almost surely, 2^{2111132022030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111132022030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2987213644800).

2111132022030 is an abundant number, since it is smaller than the sum of its proper divisors (3863295267570).

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

2111132022030 is a wasteful number, since it uses less digits than its factorization.

2111132022030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048175 (or 1048169 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2111132022030 its reverse (302202311112), we get a palindrome (2413334333142).

The spelling of 2111132022030 in words is "two trillion, one hundred eleven billion, one hundred thirty-two million, twenty-two thousand, thirty".