121030100032111 has 2 divisors, whose sum is σ = 121030100032112. Its totient is φ = 121030100032110.

The previous prime is 121030100032091. The next prime is 121030100032123. The reversal of 121030100032111 is 111230001030121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121030100032111 - 2⁷ = 121030100031983 is a prime.

It is a super-2 number, since 2×121030100032111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121030100032151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60515050016055 + 60515050016056.

It is an arithmetic number, because the mean of its divisors is an integer number (60515050016056).

Almost surely, 2^{121030100032111} is an apocalyptic number.

121030100032111 is a deficient number, since it is larger than the sum of its proper divisors (1).

121030100032111 is an equidigital number, since it uses as much as digits as its factorization.

121030100032111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 121030100032111 its reverse (111230001030121), we get a palindrome (232260101062232).

The spelling of 121030100032111 in words is "one hundred twenty-one trillion, thirty billion, one hundred million, thirty-two thousand, one hundred eleven".