2111022021203 has 4 divisors (see below), whose sum is σ = 2111141420328. Its totient is φ = 2110902622080.

The previous prime is 2111022021161. The next prime is 2111022021233. The reversal of 2111022021203 is 3021202201112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2111022021203 - 2¹⁶ = 2111021955667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111022021233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59673038 + ... + 59708403.

It is an arithmetic number, because the mean of its divisors is an integer number (527785355082).

Almost surely, 2^{2111022021203} is an apocalyptic number.

2111022021203 is a deficient number, since it is larger than the sum of its proper divisors (119399125).

2111022021203 is a wasteful number, since it uses less digits than its factorization.

2111022021203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119399124.

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

Adding to 2111022021203 its reverse (3021202201112), we get a palindrome (5132224222315).

The spelling of 2111022021203 in words is "two trillion, one hundred eleven billion, twenty-two million, twenty-one thousand, two hundred three".