100212020200121 has 16 divisors (see below), whose sum is σ = 104592995020800. Its totient is φ = 95833042390800.

The previous prime is 100212020200049. The next prime is 100212020200139. The reversal of 100212020200121 is 121002020212001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100212020200121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100212020200096 and 100212020200105.

It is not an unprimeable number, because it can be changed into a prime (100212020200421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2335977530 + ... + 2336020428.

It is an arithmetic number, because the mean of its divisors is an integer number (6537062188800).

Almost surely, 2^{100212020200121} is an apocalyptic number.

It is an amenable number.

100212020200121 is a deficient number, since it is larger than the sum of its proper divisors (4380974820679).

100212020200121 is a wasteful number, since it uses less digits than its factorization.

100212020200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63796.

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

Adding to 100212020200121 its reverse (121002020212001), we get a palindrome (221214040412122).

The spelling of 100212020200121 in words is "one hundred trillion, two hundred twelve billion, twenty million, two hundred thousand, one hundred twenty-one".