121202011111122 has 32 divisors (see below), whose sum is σ = 269348933655360. Its totient is φ = 40399000692480.

The previous prime is 121202011111121. The next prime is 121202011111151. The reversal of 121202011111122 is 221111110202121.

It is a happy number.

It is a super-3 number, since 3×121202011111122³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121202011111095 and 121202011111104.

It is not an unprimeable number, because it can be changed into a prime (121202011111121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45060879 + ... + 47674802.

It is an arithmetic number, because the mean of its divisors is an integer number (8417154176730).

Almost surely, 2^{121202011111122} is an apocalyptic number.

121202011111122 is an abundant number, since it is smaller than the sum of its proper divisors (148146922544238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121202011111122 is a wasteful number, since it uses less digits than its factorization.

121202011111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92759895 (or 92759889 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 121202011111122 its reverse (221111110202121), we get a palindrome (342313121313243).

Subtracting 121202011111122 from its reverse (221111110202121), we obtain a palindrome (99909099090999).

The spelling of 121202011111122 in words is "one hundred twenty-one trillion, two hundred two billion, eleven million, one hundred eleven thousand, one hundred twenty-two".