11012222121210 has 48 divisors (see below), whose sum is σ = 28632880082664. Its totient is φ = 2936479481856.

The previous prime is 11012222121193. The next prime is 11012222121211. The reversal of 11012222121210 is 1212122221011.

11012222121210 is a `hidden beast` number, since 110 + 1 + 2 + 222 + 121 + 210 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9193794144129 + 1818427977081 = 3032127^2 + 1348491^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11012222121211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7314 + ... + 4693026.

Almost surely, 2^{11012222121210} is an apocalyptic number.

11012222121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11012222121210 is an abundant number, since it is smaller than the sum of its proper divisors (17620657961454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11012222121210 is a wasteful number, since it uses less digits than its factorization.

11012222121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711839 (or 4711836 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11012222121210 its reverse (1212122221011), we get a palindrome (12224344342221).

The spelling of 11012222121210 in words is "eleven trillion, twelve billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred ten".