213100011220001 has 16 divisors (see below), whose sum is σ = 215525124237696. Its totient is φ = 210681813597696.

The previous prime is 213100011219989. The next prime is 213100011220003. The reversal of 213100011220001 is 100022110001312.

It is a cyclic number.

It is not a de Polignac number, because 213100011220001 - 2⁴⁶ = 142731267042337 is a prime.

It is a super-2 number, since 2×213100011220001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213100011220003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 684188561 + ... + 684499953.

It is an arithmetic number, because the mean of its divisors is an integer number (13470320264856).

Almost surely, 2^{213100011220001} is an apocalyptic number.

It is an amenable number.

213100011220001 is a deficient number, since it is larger than the sum of its proper divisors (2425113017695).

213100011220001 is a wasteful number, since it uses less digits than its factorization.

213100011220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322472.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 213100011220001 its reverse (100022110001312), we get a palindrome (313122121221313).

The spelling of 213100011220001 in words is "two hundred thirteen trillion, one hundred billion, eleven million, two hundred twenty thousand, one".