101021120212151 has 2 divisors, whose sum is σ = 101021120212152. Its totient is φ = 101021120212150.

The previous prime is 101021120212139. The next prime is 101021120212211. The reversal of 101021120212151 is 151212021120101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101021120212151 - 2⁶ = 101021120212087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101021120202151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510560106075 + 50510560106076.

It is an arithmetic number, because the mean of its divisors is an integer number (50510560106076).

Almost surely, 2^{101021120212151} is an apocalyptic number.

101021120212151 is a deficient number, since it is larger than the sum of its proper divisors (1).

101021120212151 is an equidigital number, since it uses as much as digits as its factorization.

101021120212151 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 20.

Adding to 101021120212151 its reverse (151212021120101), we get a palindrome (252233141332252).

The spelling of 101021120212151 in words is "one hundred one trillion, twenty-one billion, one hundred twenty million, two hundred twelve thousand, one hundred fifty-one".