1011222011210 has 16 divisors (see below), whose sum is σ = 1831793251176. Its totient is φ = 401912442048.

The previous prime is 1011222011179. The next prime is 1011222011279. The reversal of 1011222011210 is 121102221101.

It can be written as a sum of positive squares in 4 ways, for example, as 853774152001 + 157447859209 = 923999^2 + 396797^2 .

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, 322043657 + ... + 322046796.

Almost surely, 2^{1011222011210} is an apocalyptic number.

1011222011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011222011210 is a deficient number, since it is larger than the sum of its proper divisors (820571239966).

1011222011210 is a wasteful number, since it uses less digits than its factorization.

1011222011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644090617.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1011222011210 its reverse (121102221101), we get a palindrome (1132324232311).

The spelling of 1011222011210 in words is "one trillion, eleven billion, two hundred twenty-two million, eleven thousand, two hundred ten".