2210011200121 has 4 divisors (see below), whose sum is σ = 2210395622500. Its totient is φ = 2209626777744.

The previous prime is 2210011200083. The next prime is 2210011200139. The reversal of 2210011200121 is 1210021100122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 524843740521 + 1685167459600 = 724461^2 + 1298140^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210011200121 - 2¹³ = 2210011191929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2210011200181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192202566 + ... + 192214063.

It is an arithmetic number, because the mean of its divisors is an integer number (552598905625).

Almost surely, 2^{2210011200121} is an apocalyptic number.

It is an amenable number.

2210011200121 is a deficient number, since it is larger than the sum of its proper divisors (384422379).

2210011200121 is an equidigital number, since it uses as much as digits as its factorization.

2210011200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384422378.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2210011200121 its reverse (1210021100122), we get a palindrome (3420032300243).

Subtracting from 2210011200121 its reverse (1210021100122), we obtain a palindrome (999990099999).

The spelling of 2210011200121 in words is "two trillion, two hundred ten billion, eleven million, two hundred thousand, one hundred twenty-one".