121200011221022 has 16 divisors (see below), whose sum is σ = 192586370433120. Its totient is φ = 57007970519808.

The previous prime is 121200011220997. The next prime is 121200011221027. The reversal of 121200011221022 is 220122110002121.

121200011221022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121200011221022² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200011221027) 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, 853955447 + ... + 854097362.

It is an arithmetic number, because the mean of its divisors is an integer number (12036648152070).

Almost surely, 2^{121200011221022} is an apocalyptic number.

121200011221022 is a deficient number, since it is larger than the sum of its proper divisors (71386359212098).

121200011221022 is a wasteful number, since it uses less digits than its factorization.

121200011221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708054915.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121200011221022 its reverse (220122110002121), we get a palindrome (341322121223143).

The spelling of 121200011221022 in words is "one hundred twenty-one trillion, two hundred billion, eleven million, two hundred twenty-one thousand, twenty-two".