1111012212151 has 2 divisors, whose sum is σ = 1111012212152. Its totient is φ = 1111012212150.

The previous prime is 1111012212097. The next prime is 1111012212169. The reversal of 1111012212151 is 1512122101111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111012212151 - 2¹⁵ = 1111012179383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111012216151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555506106075 + 555506106076.

It is an arithmetic number, because the mean of its divisors is an integer number (555506106076).

Almost surely, 2^{1111012212151} is an apocalyptic number.

1111012212151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111012212151 is an equidigital number, since it uses as much as digits as its factorization.

1111012212151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 19.

Adding to 1111012212151 its reverse (1512122101111), we get a palindrome (2623134313262).

The spelling of 1111012212151 in words is "one trillion, one hundred eleven billion, twelve million, two hundred twelve thousand, one hundred fifty-one".