101230143230021 has 16 divisors (see below), whose sum is σ = 112621469237760. Its totient is φ = 90358429210560.

The previous prime is 101230143230017. The next prime is 101230143230057. The reversal of 101230143230021 is 120032341032101.

It is a cyclic number.

It is not a de Polignac number, because 101230143230021 - 2² = 101230143230017 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 (101230143230071) 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, 97375166 + ... + 98409263.

It is an arithmetic number, because the mean of its divisors is an integer number (7038841827360).

Almost surely, 2^{101230143230021} is an apocalyptic number.

It is an amenable number.

101230143230021 is a deficient number, since it is larger than the sum of its proper divisors (11391326007739).

101230143230021 is a wasteful number, since it uses less digits than its factorization.

101230143230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195785756.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 101230143230021 its reverse (120032341032101), we get a palindrome (221262484262122).

The spelling of 101230143230021 in words is "one hundred one trillion, two hundred thirty billion, one hundred forty-three million, two hundred thirty thousand, twenty-one".