1222010020111 has 16 divisors (see below), whose sum is σ = 1253457469440. Its totient is φ = 1190701622880.

The previous prime is 1222010020109. The next prime is 1222010020129. The reversal of 1222010020111 is 1110200102221.

It is a cyclic number.

It is not a de Polignac number, because 1222010020111 - 2¹ = 1222010020109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222010020091 and 1222010020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222010020411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124804626 + ... + 124814416.

It is an arithmetic number, because the mean of its divisors is an integer number (78341091840).

Almost surely, 2^{1222010020111} is an apocalyptic number.

1222010020111 is a deficient number, since it is larger than the sum of its proper divisors (31447449329).

1222010020111 is an equidigital number, since it uses as much as digits as its factorization.

1222010020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16566.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1222010020111 its reverse (1110200102221), we get a palindrome (2332210122332).

The spelling of 1222010020111 in words is "one trillion, two hundred twenty-two billion, ten million, twenty thousand, one hundred eleven".