1210221011110 has 16 divisors (see below), whose sum is σ = 2293050337200. Its totient is φ = 458610067296.

The previous prime is 1210221011107. The next prime is 1210221011123. The reversal of 1210221011110 is 111101220121.

It is a happy number.

It is a super-2 number, since 2×1210221011110² (a number of 25 digits) contains 22 as substring.

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, 3184791945 + ... + 3184792324.

It is an arithmetic number, because the mean of its divisors is an integer number (143315646075).

Almost surely, 2^{1210221011110} is an apocalyptic number.

1210221011110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210221011110 is a deficient number, since it is larger than the sum of its proper divisors (1082829326090).

1210221011110 is a wasteful number, since it uses less digits than its factorization.

1210221011110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6369584295.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1210221011110 its reverse (111101220121), we get a palindrome (1321322231231).

The spelling of 1210221011110 in words is "one trillion, two hundred ten billion, two hundred twenty-one million, eleven thousand, one hundred ten".