2001102101212 has 12 divisors (see below), whose sum is σ = 3502042558560. Its totient is φ = 1000518513056.

The previous prime is 2001102101203. The next prime is 2001102101231. The reversal of 2001102101212 is 2121012011002.

It is a junction number, because it is equal to n+sod(n) for n = 2001102101192 and 2001102101201.

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, 7995748 + ... + 8242219.

It is an arithmetic number, because the mean of its divisors is an integer number (291836879880).

Almost surely, 2^{2001102101212} is an apocalyptic number.

It is an amenable number.

2001102101212 is a deficient number, since it is larger than the sum of its proper divisors (1500940457348).

2001102101212 is a wasteful number, since it uses less digits than its factorization.

2001102101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16268780 (or 16268778 counting only the distinct ones).

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

Adding to 2001102101212 its reverse (2121012011002), we get a palindrome (4122114112214).

The spelling of 2001102101212 in words is "two trillion, one billion, one hundred two million, one hundred one thousand, two hundred twelve".