2111002021230 has 32 divisors (see below), whose sum is σ = 5074669829664. Its totient is φ = 562015541376.

The previous prime is 2111002021213. The next prime is 2111002021231. The reversal of 2111002021230 is 321202001112.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111002021231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57376989 + ... + 57413768.

It is an arithmetic number, because the mean of its divisors is an integer number (158583432177).

Almost surely, 2^{2111002021230} is an apocalyptic number.

2111002021230 is an abundant number, since it is smaller than the sum of its proper divisors (2963667808434).

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

2111002021230 is a wasteful number, since it uses less digits than its factorization.

2111002021230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114791380.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2111002021230 its reverse (321202001112), we get a palindrome (2432204022342).

The spelling of 2111002021230 in words is "two trillion, one hundred eleven billion, two million, twenty-one thousand, two hundred thirty".