200102101221111 has 4 divisors (see below), whose sum is σ = 266802801628152. Its totient is φ = 133401400814072.

The previous prime is 200102101221103. The next prime is 200102101221131. The reversal of 200102101221111 is 111122101201002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 200102101221111 - 2³ = 200102101221103 is a prime.

It is a super-3 number, since 3×200102101221111³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200102101221131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33350350203516 + ... + 33350350203521.

It is an arithmetic number, because the mean of its divisors is an integer number (66700700407038).

Almost surely, 2^{200102101221111} is an apocalyptic number.

200102101221111 is a deficient number, since it is larger than the sum of its proper divisors (66700700407041).

200102101221111 is an equidigital number, since it uses as much as digits as its factorization.

200102101221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66700700407040.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 200102101221111 its reverse (111122101201002), we get a palindrome (311224202422113).

The spelling of 200102101221111 in words is "two hundred trillion, one hundred two billion, one hundred one million, two hundred twenty-one thousand, one hundred eleven".