200120100101102 has 4 divisors (see below), whose sum is σ = 300180150151656. Its totient is φ = 100060050050550.

The previous prime is 200120100101101. The next prime is 200120100101137. The reversal of 200120100101102 is 201101001021002.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×200120100101102² (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 (200120100101101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50030025025274 + ... + 50030025025277.

It is an arithmetic number, because the mean of its divisors is an integer number (75045037537914).

Almost surely, 2^{200120100101102} is an apocalyptic number.

200120100101102 is a deficient number, since it is larger than the sum of its proper divisors (100060050050554).

200120100101102 is a wasteful number, since it uses less digits than its factorization.

200120100101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100060050050553.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200120100101102 its reverse (201101001021002), we get a palindrome (401221101122104).

The spelling of 200120100101102 in words is "two hundred trillion, one hundred twenty billion, one hundred million, one hundred one thousand, one hundred two".