2101211101151 has 2 divisors, whose sum is σ = 2101211101152. Its totient is φ = 2101211101150.

The previous prime is 2101211101079. The next prime is 2101211101193. The reversal of 2101211101151 is 1511011121012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101211101151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101211103151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050605550575 + 1050605550576.

It is an arithmetic number, because the mean of its divisors is an integer number (1050605550576).

Almost surely, 2^{2101211101151} is an apocalyptic number.

2101211101151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101211101151 is an equidigital number, since it uses as much as digits as its factorization.

2101211101151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 17.

Adding to 2101211101151 its reverse (1511011121012), we get a palindrome (3612222222163).

The spelling of 2101211101151 in words is "two trillion, one hundred one billion, two hundred eleven million, one hundred one thousand, one hundred fifty-one".