2102212030401 has 12 divisors (see below), whose sum is σ = 3470318272512. Its totient is φ = 1201264017336.

The previous prime is 2102212030397. The next prime is 2102212030441. The reversal of 2102212030401 is 1040302122012.

It is a happy number.

2102212030401 is a `hidden beast` number, since 2 + 10 + 221 + 2 + 0 + 30 + 401 = 666.

It is not a de Polignac number, because 2102212030401 - 2² = 2102212030397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102212030441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16684222401 + ... + 16684222526.

It is an arithmetic number, because the mean of its divisors is an integer number (289193189376).

Almost surely, 2^{2102212030401} is an apocalyptic number.

2102212030401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2102212030401 is a deficient number, since it is larger than the sum of its proper divisors (1368106242111).

2102212030401 is a wasteful number, since it uses less digits than its factorization.

2102212030401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33368444940 (or 33368444937 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2102212030401 its reverse (1040302122012), we get a palindrome (3142514152413).

The spelling of 2102212030401 in words is "two trillion, one hundred two billion, two hundred twelve million, thirty thousand, four hundred one".