1022222201211 has 12 divisors (see below), whose sum is σ = 1477681625992. Its totient is φ = 680956030656.

The previous prime is 1022222201159. The next prime is 1022222201281. The reversal of 1022222201211 is 1121022222201.

It is a happy number.

1022222201211 is a `hidden beast` number, since 10 + 2 + 222 + 220 + 1 + 211 = 666.

1022222201211 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 1022222201211 - 2¹⁹ = 1022221676923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022222201281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43774081 + ... + 43797426.

Almost surely, 2^{1022222201211} is an apocalyptic number.

1022222201211 is a deficient number, since it is larger than the sum of its proper divisors (455459424781).

1022222201211 is a wasteful number, since it uses less digits than its factorization.

1022222201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87572810 (or 87572807 counting only the distinct ones).

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

Adding to 1022222201211 its reverse (1121022222201), we get a palindrome (2143244423412).

The spelling of 1022222201211 in words is "one trillion, twenty-two billion, two hundred twenty-two million, two hundred one thousand, two hundred eleven".