1022222121011 has 24 divisors (see below), whose sum is σ = 1280756579760. Its totient is φ = 808683365952.

The previous prime is 1022222120981. The next prime is 1022222121031. The reversal of 1022222121011 is 1101212222201.

1022222121011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1022222121011 - 2⁶ = 1022222120947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022222121031) 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, 4858580 + ... + 5064606.

It is an arithmetic number, because the mean of its divisors is an integer number (53364857490).

Almost surely, 2^{1022222121011} is an apocalyptic number.

1022222121011 is a deficient number, since it is larger than the sum of its proper divisors (258534458749).

1022222121011 is a wasteful number, since it uses less digits than its factorization.

1022222121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213843 (or 213836 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1022222121011 its reverse (1101212222201), we get a palindrome (2123434343212).

The spelling of 1022222121011 in words is "one trillion, twenty-two billion, two hundred twenty-two million, one hundred twenty-one thousand, eleven".