121130022111 has 32 divisors (see below), whose sum is σ = 188646893568. Its totient is φ = 67693923840.

The previous prime is 121130022107. The next prime is 121130022151. The reversal of 121130022111 is 111220031121.

It is not a de Polignac number, because 121130022111 - 2² = 121130022107 is a prime.

It is a super-2 number, since 2×121130022111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121130022151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1298221 + ... + 1388393.

It is an arithmetic number, because the mean of its divisors is an integer number (5895215424).

Almost surely, 2^121130022111 is an apocalyptic number.

121130022111 is a deficient number, since it is larger than the sum of its proper divisors (67516871457).

121130022111 is a wasteful number, since it uses less digits than its factorization.

121130022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91591.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 121130022111 its reverse (111220031121), we get a palindrome (232350053232).

The spelling of 121130022111 in words is "one hundred twenty-one billion, one hundred thirty million, twenty-two thousand, one hundred eleven".