221010011002 has 32 divisors (see below), whose sum is σ = 362991357504. Its totient is φ = 100087948800.

The previous prime is 221010010987. The next prime is 221010011029. The reversal of 221010011002 is 200110010122.

It is a super-2 number, since 2×221010011002² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221010011002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6604938 + ... + 6638314.

It is an arithmetic number, because the mean of its divisors is an integer number (11343479922).

Almost surely, 2^221010011002 is an apocalyptic number.

221010011002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221010011002 is a deficient number, since it is larger than the sum of its proper divisors (141981346502).

221010011002 is a wasteful number, since it uses less digits than its factorization.

221010011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34494.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 221010011002 its reverse (200110010122), we get a palindrome (421120021124).

The spelling of 221010011002 in words is "two hundred twenty-one billion, ten million, eleven thousand, two".