10122222220011 has 144 divisors (see below), whose sum is σ = 16666987244544. Its totient is φ = 5911456320000.

The previous prime is 10122222220001. The next prime is 10122222220027. The reversal of 10122222220011 is 11002222222101.

It is a happy number.

10122222220011 is a `hidden beast` number, since 10 + 1 + 222 + 222 + 200 + 11 = 666.

It is not a de Polignac number, because 10122222220011 - 2¹³ = 10122222211819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10122222220001) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3550409736 + ... + 3550412586.

It is an arithmetic number, because the mean of its divisors is an integer number (115742966976).

Almost surely, 2^{10122222220011} is an apocalyptic number.

10122222220011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10122222220011 is a deficient number, since it is larger than the sum of its proper divisors (6544765024533).

10122222220011 is a wasteful number, since it uses less digits than its factorization.

10122222220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974 (or 3960 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10122222220011 its reverse (11002222222101), we get a palindrome (21124444442112).

The spelling of 10122222220011 in words is "ten trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred twenty thousand, eleven".