2100222201121 has 16 divisors (see below), whose sum is σ = 2313503981568. Its totient is φ = 1890667573200.

The previous prime is 2100222201107. The next prime is 2100222201127. The reversal of 2100222201121 is 1211022220012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2100222201121 - 2¹⁷ = 2100222070049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100222201095 and 2100222201104.

It is not an unprimeable number, because it can be changed into a prime (2100222201127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43042080 + ... + 43090846.

It is an arithmetic number, because the mean of its divisors is an integer number (144593998848).

Almost surely, 2^{2100222201121} is an apocalyptic number.

It is an amenable number.

2100222201121 is a deficient number, since it is larger than the sum of its proper divisors (213281780447).

2100222201121 is a wasteful number, since it uses less digits than its factorization.

2100222201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86892.

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

Adding to 2100222201121 its reverse (1211022220012), we get a palindrome (3311244421133).

The spelling of 2100222201121 in words is "two trillion, one hundred billion, two hundred twenty-two million, two hundred one thousand, one hundred twenty-one".