2101201101212 has 24 divisors (see below), whose sum is σ = 3737777902320. Its totient is φ = 1033268204160.

The previous prime is 2101201101211. The next prime is 2101201101221. The reversal of 2101201101212 is 2121011021012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101201101211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1878464 + ... + 2780472.

It is an arithmetic number, because the mean of its divisors is an integer number (155740745930).

Almost surely, 2^{2101201101212} is an apocalyptic number.

It is an amenable number.

2101201101212 is a deficient number, since it is larger than the sum of its proper divisors (1636576801108).

2101201101212 is a wasteful number, since it uses less digits than its factorization.

2101201101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911621 (or 911619 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2101201101212 its reverse (2121011021012), we get a palindrome (4222212122224).

The spelling of 2101201101212 in words is "two trillion, one hundred one billion, two hundred one million, one hundred one thousand, two hundred twelve".