1211000222119 has 4 divisors (see below), whose sum is σ = 1211049257320. Its totient is φ = 1210951186920.

The previous prime is 1211000222093. The next prime is 1211000222167. The reversal of 1211000222119 is 9112220001121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1211000222119 is a prime.

It is a super-2 number, since 2×1211000222119² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1211000222119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211000222819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24480537 + ... + 24529954.

It is an arithmetic number, because the mean of its divisors is an integer number (302762314330).

Almost surely, 2^{1211000222119} is an apocalyptic number.

1211000222119 is a deficient number, since it is larger than the sum of its proper divisors (49035201).

1211000222119 is an equidigital number, since it uses as much as digits as its factorization.

1211000222119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49035200.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 1211000222119 in words is "one trillion, two hundred eleven billion, two hundred twenty-two thousand, one hundred nineteen".