10211221111102 has 16 divisors (see below), whose sum is σ = 17588706220800. Its totient is φ = 4397176554840.

The previous prime is 10211221111067. The next prime is 10211221111111. The reversal of 10211221111102 is 20111112211201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12214378902 + ... + 12214379737.

It is an arithmetic number, because the mean of its divisors is an integer number (1099294138800).

Almost surely, 2^{10211221111102} is an apocalyptic number.

10211221111102 is a deficient number, since it is larger than the sum of its proper divisors (7377485109698).

10211221111102 is a wasteful number, since it uses less digits than its factorization.

10211221111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24428758671.

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

Adding to 10211221111102 its reverse (20111112211201), we get a palindrome (30322333322303).

The spelling of 10211221111102 in words is "ten trillion, two hundred eleven billion, two hundred twenty-one million, one hundred eleven thousand, one hundred two".