2101402223 has 4 divisors (see below), whose sum is σ = 2212002360. Its totient is φ = 1990802088.

The previous prime is 2101402213. The next prime is 2101402231. The reversal of 2101402223 is 3222041012.

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 2101402223 - 2⁴ = 2101402207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101402213) 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, 55300040 + ... + 55300077.

It is an arithmetic number, because the mean of its divisors is an integer number (553000590).

Almost surely, 2^2101402223 is an apocalyptic number.

2101402223 is a deficient number, since it is larger than the sum of its proper divisors (110600137).

2101402223 is a wasteful number, since it uses less digits than its factorization.

2101402223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110600136.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2101402223 is about 45841.0539036790. The cubic root of 2101402223 is about 1280.8641265808.

Adding to 2101402223 its reverse (3222041012), we get a palindrome (5323443235).

The spelling of 2101402223 in words is "two billion, one hundred one million, four hundred two thousand, two hundred twenty-three".