101220222151 has 2 divisors, whose sum is σ = 101220222152. Its totient is φ = 101220222150.

The previous prime is 101220222133. The next prime is 101220222161. The reversal of 101220222151 is 151222022101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101220222151 - 2¹¹ = 101220220103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101220222161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50610111075 + 50610111076.

It is an arithmetic number, because the mean of its divisors is an integer number (50610111076).

Almost surely, 2^101220222151 is an apocalyptic number.

101220222151 is a deficient number, since it is larger than the sum of its proper divisors (1).

101220222151 is an equidigital number, since it uses as much as digits as its factorization.

101220222151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 101220222151 its reverse (151222022101), we get a palindrome (252442244252).

The spelling of 101220222151 in words is "one hundred one billion, two hundred twenty million, two hundred twenty-two thousand, one hundred fifty-one".