121111001011022 has 32 divisors (see below), whose sum is σ = 198768100379904. Its totient is φ = 54887784739200.

The previous prime is 121111001010997. The next prime is 121111001011027. The reversal of 121111001011022 is 220110100111121.

It is a junction number, because it is equal to n+sod(n) for n = 121111001010988 and 121111001011006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121111001011027) 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 15 ways as a sum of consecutive naturals, for example, 4369247 + ... + 16165157.

It is an arithmetic number, because the mean of its divisors is an integer number (6211503136872).

Almost surely, 2^{121111001011022} is an apocalyptic number.

121111001011022 is a deficient number, since it is larger than the sum of its proper divisors (77657099368882).

121111001011022 is a wasteful number, since it uses less digits than its factorization.

121111001011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11797304.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121111001011022 its reverse (220110100111121), we get a palindrome (341221101122143).

The spelling of 121111001011022 in words is "one hundred twenty-one trillion, one hundred eleven billion, one million, eleven thousand, twenty-two".