102219375490 has 8 divisors (see below), whose sum is σ = 183994875900. Its totient is φ = 40887750192.

The previous prime is 102219375481. The next prime is 102219375509. The reversal of 102219375490 is 94573912201.

It can be written as a sum of positive squares in 2 ways, for example, as 101147533369 + 1071842121 = 318037^2 + 32739^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×102219375490² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5110968765 + ... + 5110968784.

Almost surely, 2^102219375490 is an apocalyptic number.

102219375490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102219375490 is a deficient number, since it is larger than the sum of its proper divisors (81775500410).

102219375490 is a wasteful number, since it uses less digits than its factorization.

102219375490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10221937556.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 102219375490 in words is "one hundred two billion, two hundred nineteen million, three hundred seventy-five thousand, four hundred ninety".