2102200121122 has 16 divisors (see below), whose sum is σ = 3321990836640. Its totient is φ = 994960758528.

The previous prime is 2102200121113. The next prime is 2102200121159. The reversal of 2102200121122 is 2211210022012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2102200121096 and 2102200121105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22682208 + ... + 22774699.

It is an arithmetic number, because the mean of its divisors is an integer number (207624427290).

Almost surely, 2^{2102200121122} is an apocalyptic number.

2102200121122 is a deficient number, since it is larger than the sum of its proper divisors (1219790715518).

2102200121122 is a wasteful number, since it uses less digits than its factorization.

2102200121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45458145.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2102200121122 its reverse (2211210022012), we get a palindrome (4313410143134).

The spelling of 2102200121122 in words is "two trillion, one hundred two billion, two hundred million, one hundred twenty-one thousand, one hundred twenty-two".