2001022102212 has 96 divisors (see below), whose sum is σ = 5722883712000. Its totient is φ = 531410585472.

The previous prime is 2001022102171. The next prime is 2001022102229. The reversal of 2001022102212 is 2122012201002.

It is a junction number, because it is equal to n+sod(n) for n = 2001022102191 and 2001022102200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11743462 + ... + 11912637.

It is an arithmetic number, because the mean of its divisors is an integer number (59613372000).

Almost surely, 2^{2001022102212} is an apocalyptic number.

It is an amenable number.

2001022102212 is an abundant number, since it is smaller than the sum of its proper divisors (3721861609788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001022102212 is a wasteful number, since it uses less digits than its factorization.

2001022102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23656185 (or 23656183 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2001022102212 its reverse (2122012201002), we get a palindrome (4123034303214).

The spelling of 2001022102212 in words is "two trillion, one billion, twenty-two million, one hundred two thousand, two hundred twelve".