2100220122151 has 2 divisors, whose sum is σ = 2100220122152. Its totient is φ = 2100220122150.

The previous prime is 2100220122139. The next prime is 2100220122269. The reversal of 2100220122151 is 1512210220012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100220122151 - 2²¹ = 2100218024999 is a prime.

It is a super-2 number, since 2×2100220122151² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100220122101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050110061075 + 1050110061076.

It is an arithmetic number, because the mean of its divisors is an integer number (1050110061076).

Almost surely, 2^{2100220122151} is an apocalyptic number.

2100220122151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100220122151 is an equidigital number, since it uses as much as digits as its factorization.

2100220122151 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2100220122151 its reverse (1512210220012), we get a palindrome (3612430342163).

The spelling of 2100220122151 in words is "two trillion, one hundred billion, two hundred twenty million, one hundred twenty-two thousand, one hundred fifty-one".