221010110019 has 24 divisors (see below), whose sum is σ = 338050245312. Its totient is φ = 138658740480.

The previous prime is 221010110017. The next prime is 221010110077. The reversal of 221010110019 is 910011010122.

It is a happy number.

It is not a de Polignac number, because 221010110019 - 2¹ = 221010110017 is a prime.

It is a super-2 number, since 2×221010110019² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221010109983 and 221010110010.

It is not an unprimeable number, because it can be changed into a prime (221010110017) 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, 1530214 + ... + 1668404.

It is an arithmetic number, because the mean of its divisors is an integer number (14085426888).

Almost surely, 2^221010110019 is an apocalyptic number.

221010110019 is a deficient number, since it is larger than the sum of its proper divisors (117040135293).

221010110019 is a wasteful number, since it uses less digits than its factorization.

221010110019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148667 (or 148664 counting only the distinct ones).

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

The spelling of 221010110019 in words is "two hundred twenty-one billion, ten million, one hundred ten thousand, nineteen".