2102221210023 has 12 divisors (see below), whose sum is σ = 3312590997768. Its totient is φ = 1274073460560.

The previous prime is 2102221210013. The next prime is 2102221210081. The reversal of 2102221210023 is 3200121222012.

2102221210023 is a `hidden beast` number, since 210 + 2 + 221 + 210 + 0 + 23 = 666.

It is not a de Polignac number, because 2102221210023 - 2¹² = 2102221205927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102221209978 and 2102221210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102221210003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10617278740 + ... + 10617278937.

It is an arithmetic number, because the mean of its divisors is an integer number (276049249814).

Almost surely, 2^{2102221210023} is an apocalyptic number.

2102221210023 is a deficient number, since it is larger than the sum of its proper divisors (1210369787745).

2102221210023 is a wasteful number, since it uses less digits than its factorization.

2102221210023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21234557694 (or 21234557691 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2102221210023 its reverse (3200121222012), we get a palindrome (5302342432035).

The spelling of 2102221210023 in words is "two trillion, one hundred two billion, two hundred twenty-one million, two hundred ten thousand, twenty-three".