111210220011010 has 16 divisors (see below), whose sum is σ = 200227737575736. Its totient is φ = 44473123214208.

The previous prime is 111210220010987. The next prime is 111210220011013. The reversal of 111210220011010 is 10110022012111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 67626100273081 + 43584119737929 = 8223509^2 + 6601827^2 .

It is not an unprimeable number, because it can be changed into a prime (111210220011013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1370556177 + ... + 1370637316.

Almost surely, 2^{111210220011010} is an apocalyptic number.

111210220011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111210220011010 is a deficient number, since it is larger than the sum of its proper divisors (89017517564726).

111210220011010 is a wasteful number, since it uses less digits than its factorization.

111210220011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741197557.

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

Adding to 111210220011010 its reverse (10110022012111), we get a palindrome (121320242023121).

The spelling of 111210220011010 in words is "one hundred eleven trillion, two hundred ten billion, two hundred twenty million, eleven thousand, ten".