2211122051 has 8 divisors (see below), whose sum is σ = 2345312880. Its totient is φ = 2077389568.

The previous prime is 2211122047. The next prime is 2211122059. The reversal of 2211122051 is 1502211122.

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 2211122051 - 2² = 2211122047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211122059) 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, 104621 + ... + 123966.

It is an arithmetic number, because the mean of its divisors is an integer number (293164110).

Almost surely, 2^2211122051 is an apocalyptic number.

2211122051 is a deficient number, since it is larger than the sum of its proper divisors (134190829).

2211122051 is a wasteful number, since it uses less digits than its factorization.

2211122051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229173.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 2211122051 is about 47022.5695916333. The cubic root of 2211122051 is about 1302.7794675173.

Adding to 2211122051 its reverse (1502211122), we get a palindrome (3713333173).

The spelling of 2211122051 in words is "two billion, two hundred eleven million, one hundred twenty-two thousand, fifty-one".