220102201051 has 2 divisors, whose sum is σ = 220102201052. Its totient is φ = 220102201050.

The previous prime is 220102201003. The next prime is 220102201061. The reversal of 220102201051 is 150102201022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220102201051 - 2¹³ = 220102192859 is a prime.

It is not a weakly prime, because it can be changed into another prime (220102201061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110051100525 + 110051100526.

It is an arithmetic number, because the mean of its divisors is an integer number (110051100526).

Almost surely, 2^220102201051 is an apocalyptic number.

220102201051 is a deficient number, since it is larger than the sum of its proper divisors (1).

220102201051 is an equidigital number, since it uses as much as digits as its factorization.

220102201051 is an odious number, because the sum of its binary digits is odd.

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

Adding to 220102201051 its reverse (150102201022), we get a palindrome (370204402073).

The spelling of 220102201051 in words is "two hundred twenty billion, one hundred two million, two hundred one thousand, fifty-one".