4011220051 has 2 divisors, whose sum is σ = 4011220052. Its totient is φ = 4011220050.

The previous prime is 4011220049. The next prime is 4011220067. The reversal of 4011220051 is 1500221104.

It is an a-pointer prime, because the next prime (4011220067) can be obtained adding 4011220051 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4011220051 - 2¹ = 4011220049 is a prime.

Together with 4011220049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4011220351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2005610025 + 2005610026.

It is an arithmetic number, because the mean of its divisors is an integer number (2005610026).

Almost surely, 2^4011220051 is an apocalyptic number.

4011220051 is a deficient number, since it is larger than the sum of its proper divisors (1).

4011220051 is an equidigital number, since it uses as much as digits as its factorization.

4011220051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 4011220051 is about 63334.1933792481. The cubic root of 4011220051 is about 1588.8838930985.

Adding to 4011220051 its reverse (1500221104), we get a palindrome (5511441155).

The spelling of 4011220051 in words is "four billion, eleven million, two hundred twenty thousand, fifty-one".