102133054451 has 4 divisors (see below), whose sum is σ = 104893407312. Its totient is φ = 99372701592.

The previous prime is 102133054411. The next prime is 102133054493. The reversal of 102133054451 is 154450331201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102133054451 is a prime.

It is a super-2 number, since 2×102133054451² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102133054411) 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, 1380176375 + ... + 1380176448.

It is an arithmetic number, because the mean of its divisors is an integer number (26223351828).

Almost surely, 2^102133054451 is an apocalyptic number.

102133054451 is a deficient number, since it is larger than the sum of its proper divisors (2760352861).

102133054451 is an equidigital number, since it uses as much as digits as its factorization.

102133054451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760352860.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 102133054451 its reverse (154450331201), we get a palindrome (256583385652).

The spelling of 102133054451 in words is "one hundred two billion, one hundred thirty-three million, fifty-four thousand, four hundred fifty-one".