221112012101002 has 64 divisors (see below), whose sum is σ = 370013080485888. Its totient is φ = 98235314352000.

The previous prime is 221112012100951. The next prime is 221112012101017. The reversal of 221112012101002 is 200101210211122.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2847838102 + ... + 2847915742.

It is an arithmetic number, because the mean of its divisors is an integer number (5781454382592).

Almost surely, 2^{221112012101002} is an apocalyptic number.

221112012101002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221112012101002 is a deficient number, since it is larger than the sum of its proper divisors (148901068384886).

221112012101002 is a wasteful number, since it uses less digits than its factorization.

221112012101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81355.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 221112012101002 its reverse (200101210211122), we get a palindrome (421213222312124).

The spelling of 221112012101002 in words is "two hundred twenty-one trillion, one hundred twelve billion, twelve million, one hundred one thousand, two".