2100222101121 has 16 divisors (see below), whose sum is σ = 2815067824128. Its totient is φ = 1392762798800.

The previous prime is 2100222101119. The next prime is 2100222101123. The reversal of 2100222101121 is 1211012220012.

It is an interprime number because it is at equal distance from previous prime (2100222101119) and next prime (2100222101123).

It is a cyclic number.

It is not a de Polignac number, because 2100222101121 - 2¹ = 2100222101119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2100222101121.

It is not an unprimeable number, because it can be changed into a prime (2100222101123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18914956 + ... + 19025666.

It is an arithmetic number, because the mean of its divisors is an integer number (175941739008).

Almost surely, 2^{2100222101121} is an apocalyptic number.

It is an amenable number.

2100222101121 is a deficient number, since it is larger than the sum of its proper divisors (714845723007).

2100222101121 is a wasteful number, since it uses less digits than its factorization.

2100222101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144012.

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

Adding to 2100222101121 its reverse (1211012220012), we get a palindrome (3311234321133).

The spelling of 2100222101121 in words is "two trillion, one hundred billion, two hundred twenty-two million, one hundred one thousand, one hundred twenty-one".