2001200102 has 16 divisors (see below), whose sum is σ = 3380327424. Its totient is φ = 880293000.

The previous prime is 2001200083. The next prime is 2001200141. The reversal of 2001200102 is 2010021002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001200102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1466474 + ... + 1467837.

It is an arithmetic number, because the mean of its divisors is an integer number (211270464).

Almost surely, 2^2001200102 is an apocalyptic number.

2001200102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2001200102 is a deficient number, since it is larger than the sum of its proper divisors (1379127322).

2001200102 is a wasteful number, since it uses less digits than its factorization.

2001200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934355.

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

The square root of 2001200102 is about 44734.7750860558. The cubic root of 2001200102 is about 1260.1730051349.

Adding to 2001200102 its reverse (2010021002), we get a palindrome (4011221104).

Subtracting 2001200102 from its reverse (2010021002), we obtain a square (8820900 = 2970²).

The spelling of 2001200102 in words is "two billion, one million, two hundred thousand, one hundred two".