102112335205454 has 64 divisors (see below), whose sum is σ = 196505463974400. Its totient is φ = 38739648135168.

The previous prime is 102112335205427. The next prime is 102112335205457. The reversal of 102112335205454 is 454502533211201.

It is a super-2 number, since 2×102112335205454² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112335205457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80598899 + ... + 81856014.

It is an arithmetic number, because the mean of its divisors is an integer number (3070397874600).

Almost surely, 2^{102112335205454} is an apocalyptic number.

102112335205454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102112335205454 is a deficient number, since it is larger than the sum of its proper divisors (94393128768946).

102112335205454 is a wasteful number, since it uses less digits than its factorization.

102112335205454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162455097.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 102112335205454 its reverse (454502533211201), we get a palindrome (556614868416655).

The spelling of 102112335205454 in words is "one hundred two trillion, one hundred twelve billion, three hundred thirty-five million, two hundred five thousand, four hundred fifty-four".