101521120151 has 16 divisors (see below), whose sum is σ = 113290375680. Its totient is φ = 90181586880.

The previous prime is 101521120147. The next prime is 101521120157. The reversal of 101521120151 is 151021125101.

It is not a de Polignac number, because 101521120151 - 2² = 101521120147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101521120157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159860 + ... + 478118.

It is an arithmetic number, because the mean of its divisors is an integer number (7080648480).

Almost surely, 2^101521120151 is an apocalyptic number.

101521120151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101521120151 is a deficient number, since it is larger than the sum of its proper divisors (11769255529).

101521120151 is a wasteful number, since it uses less digits than its factorization.

101521120151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318934.

The product of its (nonzero) digits is 100, while the sum is 20.

Adding to 101521120151 its reverse (151021125101), we get a palindrome (252542245252).

The spelling of 101521120151 in words is "one hundred one billion, five hundred twenty-one million, one hundred twenty thousand, one hundred fifty-one".