2001211210102 has 8 divisors (see below), whose sum is σ = 3232725800976. Its totient is φ = 923635943112.

The previous prime is 2001211210087. The next prime is 2001211210139. The reversal of 2001211210102 is 2010121121002.

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

It is a super-2 number, since 2×2001211210102² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

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, 38484830938 + ... + 38484830989.

It is an arithmetic number, because the mean of its divisors is an integer number (404090725122).

Almost surely, 2^{2001211210102} is an apocalyptic number.

2001211210102 is a deficient number, since it is larger than the sum of its proper divisors (1231514590874).

2001211210102 is a wasteful number, since it uses less digits than its factorization.

2001211210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76969661942.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2001211210102 its reverse (2010121121002), we get a palindrome (4011332331104).

The spelling of 2001211210102 in words is "two trillion, one billion, two hundred eleven million, two hundred ten thousand, one hundred two".