1211020001119 has 2 divisors, whose sum is σ = 1211020001120. Its totient is φ = 1211020001118.

The previous prime is 1211020001089. The next prime is 1211020001123. The reversal of 1211020001119 is 9111000201121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1211020001119 - 2³¹ = 1208872517471 is a prime.

It is a super-2 number, since 2×1211020001119² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1211020001096 and 1211020001105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211020001179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605510000559 + 605510000560.

It is an arithmetic number, because the mean of its divisors is an integer number (605510000560).

Almost surely, 2^{1211020001119} is an apocalyptic number.

1211020001119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211020001119 is an equidigital number, since it uses as much as digits as its factorization.

1211020001119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 1211020001119 in words is "one trillion, two hundred eleven billion, twenty million, one thousand, one hundred nineteen".