121201020110022 has 16 divisors (see below), whose sum is σ = 242402223171312. Its totient is φ = 40400309544800.

The previous prime is 121201020109969. The next prime is 121201020110081. The reversal of 121201020110022 is 220011020102121.

It is a junction number, because it is equal to n+sod(n) for n = 121201020109983 and 121201020110010.

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, 1905388 + ... + 15685424.

It is an arithmetic number, because the mean of its divisors is an integer number (15150138948207).

Almost surely, 2^{121201020110022} is an apocalyptic number.

121201020110022 is an abundant number, since it is smaller than the sum of its proper divisors (121201203061290).

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

121201020110022 is a wasteful number, since it uses less digits than its factorization.

121201020110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15245943.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121201020110022 its reverse (220011020102121), we get a palindrome (341212040212143).

The spelling of 121201020110022 in words is "one hundred twenty-one trillion, two hundred one billion, twenty million, one hundred ten thousand, twenty-two".