2211010020121 has 8 divisors (see below), whose sum is σ = 2527468691904. Its totient is φ = 1894701372720.

The previous prime is 2211010020091. The next prime is 2211010020161. The reversal of 2211010020121 is 1210200101122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2211010020121 - 2¹⁵ = 2211009987353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211010020161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37474510 + ... + 37533463.

It is an arithmetic number, because the mean of its divisors is an integer number (315933586488).

Almost surely, 2^{2211010020121} is an apocalyptic number.

It is an amenable number.

2211010020121 is a deficient number, since it is larger than the sum of its proper divisors (316458671783).

2211010020121 is an equidigital number, since it uses as much as digits as its factorization.

2211010020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75012191.

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

Adding to 2211010020121 its reverse (1210200101122), we get a palindrome (3421210121243).

The spelling of 2211010020121 in words is "two trillion, two hundred eleven billion, ten million, twenty thousand, one hundred twenty-one".