121102012212100 has 36 divisors (see below), whose sum is σ = 263813901056244. Its totient is φ = 48252319252480.

The previous prime is 121102012212073. The next prime is 121102012212107. The reversal of 121102012212100 is 1212210201121.

121102012212100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 877234545664 + 120224777666436 = 936608^2 + 10964706^2 .

It is not an unprimeable number, because it can be changed into a prime (121102012212107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2356044577 + ... + 2356095976.

It is an arithmetic number, because the mean of its divisors is an integer number (7328163918229).

Almost surely, 2^{121102012212100} is an apocalyptic number.

121102012212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121102012212100 is an abundant number, since it is smaller than the sum of its proper divisors (142711888844144).

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

121102012212100 is a wasteful number, since it uses less digits than its factorization.

121102012212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712140824 (or 4712140817 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121102012212100 its reverse (1212210201121), we get a palindrome (122314222413221).

The spelling of 121102012212100 in words is "one hundred twenty-one trillion, one hundred two billion, twelve million, two hundred twelve thousand, one hundred".