2100001202002 has 8 divisors (see below), whose sum is σ = 3436365603312. Its totient is φ = 954546000900.

The previous prime is 2100001201943. The next prime is 2100001202023. The reversal of 2100001202002 is 2002021000012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2100001202002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47727300024 + ... + 47727300067.

It is an arithmetic number, because the mean of its divisors is an integer number (429545700414).

Almost surely, 2^{2100001202002} is an apocalyptic number.

2100001202002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2100001202002 is a deficient number, since it is larger than the sum of its proper divisors (1336364401310).

2100001202002 is a wasteful number, since it uses less digits than its factorization.

2100001202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95454600104.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2100001202002 its reverse (2002021000012), we get a palindrome (4102022202014).

The spelling of 2100001202002 in words is "two trillion, one hundred billion, one million, two hundred two thousand, two".