1121210222211 has 12 divisors (see below), whose sum is σ = 1714792104792. Its totient is φ = 703504453056.

The previous prime is 1121210222201. The next prime is 1121210222219. The reversal of 1121210222211 is 1122220121211.

1121210222211 is a `hidden beast` number, since 1 + 1 + 21 + 210 + 222 + 211 = 666.

It is not a de Polignac number, because 1121210222211 - 2¹⁴ = 1121210205827 is a prime.

It is a super-2 number, since 2×1121210222211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121210222219) 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, 3664085541 + ... + 3664085846.

It is an arithmetic number, because the mean of its divisors is an integer number (142899342066).

Almost surely, 2^{1121210222211} is an apocalyptic number.

1121210222211 is a deficient number, since it is larger than the sum of its proper divisors (593581882581).

1121210222211 is a wasteful number, since it uses less digits than its factorization.

1121210222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7328171410 (or 7328171407 counting only the distinct ones).

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

Adding to 1121210222211 its reverse (1122220121211), we get a palindrome (2243430343422).

The spelling of 1121210222211 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, two hundred twenty-two thousand, two hundred eleven".