121111011022 has 16 divisors (see below), whose sum is σ = 191463753600. Its totient is φ = 57297621240.

The previous prime is 121111011001. The next prime is 121111011031. The reversal of 121111011022 is 220110111121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121111010993 and 121111011011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1934122 + ... + 1995757.

It is an arithmetic number, because the mean of its divisors is an integer number (11966484600).

Almost surely, 2^121111011022 is an apocalyptic number.

121111011022 is a deficient number, since it is larger than the sum of its proper divisors (70352742578).

121111011022 is a wasteful number, since it uses less digits than its factorization.

121111011022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930711.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121111011022 its reverse (220110111121), we get a palindrome (341221122143).

The spelling of 121111011022 in words is "one hundred twenty-one billion, one hundred eleven million, eleven thousand, twenty-two".