121020112202 has 64 divisors (see below), whose sum is σ = 204907304448. Its totient is φ = 53130168000.

The previous prime is 121020112201. The next prime is 121020112249. The reversal of 121020112202 is 202211020121.

It is a super-3 number, since 3×121020112202³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121020112201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103347077 + ... + 103348247.

It is an arithmetic number, because the mean of its divisors is an integer number (3201676632).

Almost surely, 2^121020112202 is an apocalyptic number.

121020112202 is a deficient number, since it is larger than the sum of its proper divisors (83887192246).

121020112202 is a wasteful number, since it uses less digits than its factorization.

121020112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121020112202 its reverse (202211020121), we get a palindrome (323231132323).

The spelling of 121020112202 in words is "one hundred twenty-one billion, twenty million, one hundred twelve thousand, two hundred two".