2101112001222 has 32 divisors (see below), whose sum is σ = 4561105661952. Its totient is φ = 641405477664.

The previous prime is 2101112001193. The next prime is 2101112001269. The reversal of 2101112001222 is 2221002111012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106042588 + ... + 106062399.

It is an arithmetic number, because the mean of its divisors is an integer number (142534551936).

Almost surely, 2^{2101112001222} is an apocalyptic number.

2101112001222 is an abundant number, since it is smaller than the sum of its proper divisors (2459993660730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101112001222 is a wasteful number, since it uses less digits than its factorization.

2101112001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212105132.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2101112001222 its reverse (2221002111012), we get a palindrome (4322114112234).

The spelling of 2101112001222 in words is "two trillion, one hundred one billion, one hundred twelve million, one thousand, two hundred twenty-two".