1145241201021 has 16 divisors (see below), whose sum is σ = 1533821572800. Its totient is φ = 760077949568.

The previous prime is 1145241201001. The next prime is 1145241201043. The reversal of 1145241201021 is 1201021425411.

It is a cyclic number.

It is not a de Polignac number, because 1145241201021 - 2²² = 1145237006717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1145241200982 and 1145241201000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145241201001) 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, 11410585 + ... + 11510513.

It is an arithmetic number, because the mean of its divisors is an integer number (95863848300).

Almost surely, 2^{1145241201021} is an apocalyptic number.

It is an amenable number.

1145241201021 is a deficient number, since it is larger than the sum of its proper divisors (388580371779).

1145241201021 is a wasteful number, since it uses less digits than its factorization.

1145241201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116988.

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 1145241201021 its reverse (1201021425411), we get a palindrome (2346262626432).

The spelling of 1145241201021 in words is "one trillion, one hundred forty-five billion, two hundred forty-one million, two hundred one thousand, twenty-one".