2101102001222 has 48 divisors (see below), whose sum is σ = 3945505292928. Its totient is φ = 833609790720.

The previous prime is 2101102001221. The next prime is 2101102001261. The reversal of 2101102001222 is 2221002011012.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2101102001197 and 2101102001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101102001221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10235798 + ... + 10439049.

It is an arithmetic number, because the mean of its divisors is an integer number (82198026936).

Almost surely, 2^{2101102001222} is an apocalyptic number.

2101102001222 is a deficient number, since it is larger than the sum of its proper divisors (1844403291706).

2101102001222 is a wasteful number, since it uses less digits than its factorization.

2101102001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20674941 (or 20674934 counting only the distinct ones).

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

Adding to 2101102001222 its reverse (2221002011012), we get a palindrome (4322104012234).

The spelling of 2101102001222 in words is "two trillion, one hundred one billion, one hundred two million, one thousand, two hundred twenty-two".