2120001111030 has 128 divisors (see below), whose sum is σ = 5662431484416. Its totient is φ = 503669836800.

The previous prime is 2120001110971. The next prime is 2120001111049. The reversal of 2120001111030 is 301111000212.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2120001110997 and 2120001111015.

It is a congruent number.

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, 3501865 + ... + 4062395.

It is an arithmetic number, because the mean of its divisors is an integer number (44237745972).

Almost surely, 2^{2120001111030} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120001111030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2831215742208).

2120001111030 is an abundant number, since it is smaller than the sum of its proper divisors (3542430373386).

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

2120001111030 is a wasteful number, since it uses less digits than its factorization.

2120001111030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560782.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 2120001111030 its reverse (301111000212), we get a palindrome (2421112111242).

The spelling of 2120001111030 in words is "two trillion, one hundred twenty billion, one million, one hundred eleven thousand, thirty".