2210121112011 has 4 divisors (see below), whose sum is σ = 2946828149352. Its totient is φ = 1473414074672.

The previous prime is 2210121111937. The next prime is 2210121112039. The reversal of 2210121112011 is 1102111210122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2210121112011 - 2¹⁰ = 2210121110987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2210121112081) 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, 368353518666 + ... + 368353518671.

It is an arithmetic number, because the mean of its divisors is an integer number (736707037338).

Almost surely, 2^{2210121112011} is an apocalyptic number.

2210121112011 is a deficient number, since it is larger than the sum of its proper divisors (736707037341).

2210121112011 is an equidigital number, since it uses as much as digits as its factorization.

2210121112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736707037340.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2210121112011 its reverse (1102111210122), we get a palindrome (3312232322133).

The spelling of 2210121112011 in words is "two trillion, two hundred ten billion, one hundred twenty-one million, one hundred twelve thousand, eleven".