101045544121 has 4 divisors (see below), whose sum is σ = 105438828672. Its totient is φ = 96652259572.

The previous prime is 101045544109. The next prime is 101045544133. The reversal of 101045544121 is 121445540101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 121445540101 = 167 ⋅727218803.

It is an interprime number because it is at equal distance from previous prime (101045544109) and next prime (101045544133).

It is a cyclic number.

It is not a de Polignac number, because 101045544121 - 2³³ = 92455609529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101045544121.

It is not an unprimeable number, because it can be changed into a prime (101045544101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2196642241 + ... + 2196642286.

It is an arithmetic number, because the mean of its divisors is an integer number (26359707168).

Almost surely, 2^101045544121 is an apocalyptic number.

It is an amenable number.

101045544121 is a deficient number, since it is larger than the sum of its proper divisors (4393284551).

101045544121 is an equidigital number, since it uses as much as digits as its factorization.

101045544121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393284550.

The product of its (nonzero) digits is 3200, while the sum is 28.

The spelling of 101045544121 in words is "one hundred one billion, forty-five million, five hundred forty-four thousand, one hundred twenty-one".