2101211212022 has 24 divisors (see below), whose sum is σ = 3433350772656. Its totient is φ = 963982639776.

The previous prime is 2101211212019. The next prime is 2101211212117. The reversal of 2101211212022 is 2202121121012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18556133 + ... + 18669024.

It is an arithmetic number, because the mean of its divisors is an integer number (143056282194).

Almost surely, 2^{2101211212022} is an apocalyptic number.

2101211212022 is a deficient number, since it is larger than the sum of its proper divisors (1332139560634).

2101211212022 is a wasteful number, since it uses less digits than its factorization.

2101211212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37225352 (or 37225339 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2101211212022 its reverse (2202121121012), we get a palindrome (4303332333034).

The spelling of 2101211212022 in words is "two trillion, one hundred one billion, two hundred eleven million, two hundred twelve thousand, twenty-two".