121022110012 has 24 divisors (see below), whose sum is σ = 213713778096. Its totient is φ = 59961285888.

The previous prime is 121022109991. The next prime is 121022110019. The reversal of 121022110012 is 210011220121.

It is a super-2 number, since 2×121022110012² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121022109974 and 121022110001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022110019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2014798 + ... + 2073994.

It is an arithmetic number, because the mean of its divisors is an integer number (8904740754).

Almost surely, 2^121022110012 is an apocalyptic number.

It is an amenable number.

121022110012 is a deficient number, since it is larger than the sum of its proper divisors (92691668084).

121022110012 is a wasteful number, since it uses less digits than its factorization.

121022110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63837 (or 63835 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121022110012 its reverse (210011220121), we get a palindrome (331033330133).

The spelling of 121022110012 in words is "one hundred twenty-one billion, twenty-two million, one hundred ten thousand, twelve".