2111220201023 has 16 divisors (see below), whose sum is σ = 2221738320480. Its totient is φ = 2003357131776.

The previous prime is 2111220201017. The next prime is 2111220201029. The reversal of 2111220201023 is 3201020221112.

It is an interprime number because it is at equal distance from previous prime (2111220201017) and next prime (2111220201029).

It is a cyclic number.

It is not a de Polignac number, because 2111220201023 - 2⁶ = 2111220200959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111220200992 and 2111220201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111220201029) 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, 413390 + ... + 2096027.

It is an arithmetic number, because the mean of its divisors is an integer number (138858645030).

Almost surely, 2^{2111220201023} is an apocalyptic number.

2111220201023 is a deficient number, since it is larger than the sum of its proper divisors (110518119457).

2111220201023 is a wasteful number, since it uses less digits than its factorization.

2111220201023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509946.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2111220201023 its reverse (3201020221112), we get a palindrome (5312240422135).

The spelling of 2111220201023 in words is "two trillion, one hundred eleven billion, two hundred twenty million, two hundred one thousand, twenty-three".