102112001019 has 24 divisors (see below), whose sum is σ = 168612568800. Its totient is φ = 58333540608.

The previous prime is 102112000997. The next prime is 102112001021. The reversal of 102112001019 is 910100211201.

It is a happy number.

It is not a de Polignac number, because 102112001019 - 2¹² = 102111996923 is a prime.

It is a super-2 number, since 2×102112001019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102112000992 and 102112001010.

It is not an unprimeable number, because it can be changed into a prime (102112001099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6307 + ... + 451955.

It is an arithmetic number, because the mean of its divisors is an integer number (7025523700).

Almost surely, 2^102112001019 is an apocalyptic number.

102112001019 is a deficient number, since it is larger than the sum of its proper divisors (66500567781).

102112001019 is a wasteful number, since it uses less digits than its factorization.

102112001019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449299 (or 449296 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 102112001019 in words is "one hundred two billion, one hundred twelve million, one thousand, nineteen".