10111221220210 has 16 divisors (see below), whose sum is σ = 19854761668992. Its totient is φ = 3676807716400.

The previous prime is 10111221220207. The next prime is 10111221220249. The reversal of 10111221220210 is 1202212211101.

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, 45960096346 + ... + 45960096565.

It is an arithmetic number, because the mean of its divisors is an integer number (1240922604312).

Almost surely, 2^{10111221220210} is an apocalyptic number.

10111221220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10111221220210 is a deficient number, since it is larger than the sum of its proper divisors (9743540448782).

10111221220210 is a wasteful number, since it uses less digits than its factorization.

10111221220210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91920192929.

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

Adding to 10111221220210 its reverse (1202212211101), we get a palindrome (11313433431311).

It can be divided in two parts, 1011 and 1221220210, that added together give a palindrome (1221221221).

The spelling of 10111221220210 in words is "ten trillion, one hundred eleven billion, two hundred twenty-one million, two hundred twenty thousand, two hundred ten".