1210211101139 has 2 divisors, whose sum is σ = 1210211101140. Its totient is φ = 1210211101138.

The previous prime is 1210211101097. The next prime is 1210211101181. The reversal of 1210211101139 is 9311011120121.

It is a balanced prime because it is at equal distance from previous prime (1210211101097) and next prime (1210211101181).

It is a cyclic number.

It is not a de Polignac number, because 1210211101139 - 2¹⁶ = 1210211035603 is a prime.

It is a super-2 number, since 2×1210211101139² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1210211101039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605105550569 + 605105550570.

It is an arithmetic number, because the mean of its divisors is an integer number (605105550570).

Almost surely, 2^{1210211101139} is an apocalyptic number.

1210211101139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210211101139 is an equidigital number, since it uses as much as digits as its factorization.

1210211101139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 23.

The spelling of 1210211101139 in words is "one trillion, two hundred ten billion, two hundred eleven million, one hundred one thousand, one hundred thirty-nine".