101021102133453 has 40 divisors (see below), whose sum is σ = 158853351671520. Its totient is φ = 63801694504800.

The previous prime is 101021102133449. The next prime is 101021102133467. The reversal of 101021102133453 is 354331201120101.

101021102133453 is a `hidden beast` number, since 1 + 0 + 102 + 1 + 1 + 0 + 213 + 345 + 3 = 666.

It is not a de Polignac number, because 101021102133453 - 2² = 101021102133449 is a prime.

It is a super-3 number, since 3×101021102133453³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021102133443) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 93187726 + ... + 94265552.

It is an arithmetic number, because the mean of its divisors is an integer number (3971333791788).

Almost surely, 2^{101021102133453} is an apocalyptic number.

It is an amenable number.

101021102133453 is a deficient number, since it is larger than the sum of its proper divisors (57832249538067).

101021102133453 is a wasteful number, since it uses less digits than its factorization.

101021102133453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138759 (or 1138750 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 101021102133453 its reverse (354331201120101), we get a palindrome (455352303253554).

The spelling of 101021102133453 in words is "one hundred one trillion, twenty-one billion, one hundred two million, one hundred thirty-three thousand, four hundred fifty-three".