200121100012102 has 8 divisors (see below), whose sum is σ = 300277831267512. Its totient is φ = 100028489589600.

The previous prime is 200121100012063. The next prime is 200121100012103. The reversal of 200121100012102 is 201210001121002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×200121100012102² (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 (200121100012103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16030200424 + ... + 16030212907.

It is an arithmetic number, because the mean of its divisors is an integer number (37534728908439).

Almost surely, 2^{200121100012102} is an apocalyptic number.

200121100012102 is a deficient number, since it is larger than the sum of its proper divisors (100156731255410).

200121100012102 is a wasteful number, since it uses less digits than its factorization.

200121100012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32060416454.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200121100012102 its reverse (201210001121002), we get a palindrome (401331101133104).

The spelling of 200121100012102 in words is "two hundred trillion, one hundred twenty-one billion, one hundred million, twelve thousand, one hundred two".