121200200222102 has 16 divisors (see below), whose sum is σ = 188529103324800. Its totient is φ = 58367384160960.

The previous prime is 121200200222093. The next prime is 121200200222107. The reversal of 121200200222102 is 201222002002121.

It is a happy number.

It is a super-2 number, since 2×121200200222102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200200222107) 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, 2554571174 + ... + 2554618617.

It is an arithmetic number, because the mean of its divisors is an integer number (11783068957800).

Almost surely, 2^{121200200222102} is an apocalyptic number.

121200200222102 is a deficient number, since it is larger than the sum of its proper divisors (67328903102698).

121200200222102 is a wasteful number, since it uses less digits than its factorization.

121200200222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5109190231.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121200200222102 its reverse (201222002002121), we get a palindrome (322422202224223).

The spelling of 121200200222102 in words is "one hundred twenty-one trillion, two hundred billion, two hundred million, two hundred twenty-two thousand, one hundred two".