2000100021111 has 24 divisors (see below), whose sum is σ = 2906661488640. Its totient is φ = 1325265763536.

The previous prime is 2000100021103. The next prime is 2000100021119. The reversal of 2000100021111 is 1111200010002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2000100021103) and next prime (2000100021119).

It is not a de Polignac number, because 2000100021111 - 2³ = 2000100021103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2000100021093 and 2000100021102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000100021119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14116326 + ... + 14257308.

It is an arithmetic number, because the mean of its divisors is an integer number (121110895360).

Almost surely, 2^{2000100021111} is an apocalyptic number.

2000100021111 is a deficient number, since it is larger than the sum of its proper divisors (906561467529).

2000100021111 is a wasteful number, since it uses less digits than its factorization.

2000100021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150595 (or 150592 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 2000100021111 its reverse (1111200010002), we get a palindrome (3111300031113).

It can be divided in two parts, 200010002 and 1111, that multiplied together give a palindrome (222211112222).

The spelling of 2000100021111 in words is "two trillion, one hundred million, twenty-one thousand, one hundred eleven".