2101120100222 has 64 divisors (see below), whose sum is σ = 3741428081664. Its totient is φ = 872374371840.

The previous prime is 2101120100213. The next prime is 2101120100273. The reversal of 2101120100222 is 2220010211012.

It is a junction number, because it is equal to n+sod(n) for n = 2101120100197 and 2101120100206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40242998 + ... + 40295174.

It is an arithmetic number, because the mean of its divisors is an integer number (58459813776).

Almost surely, 2^{2101120100222} is an apocalyptic number.

2101120100222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2101120100222 is a deficient number, since it is larger than the sum of its proper divisors (1640307981442).

2101120100222 is a wasteful number, since it uses less digits than its factorization.

2101120100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53673.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2101120100222 its reverse (2220010211012), we get a palindrome (4321130311234).

The spelling of 2101120100222 in words is "two trillion, one hundred one billion, one hundred twenty million, one hundred thousand, two hundred twenty-two".