2211212010001 has 4 divisors (see below), whose sum is σ = 2232680087872. Its totient is φ = 2189743932132.

The previous prime is 2211212009969. The next prime is 2211212010041. The reversal of 2211212010001 is 1000102121122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2211212010001 - 2⁵ = 2211212009969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211212010041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10734038781 + ... + 10734038986.

It is an arithmetic number, because the mean of its divisors is an integer number (558170021968).

Almost surely, 2^{2211212010001} is an apocalyptic number.

It is an amenable number.

2211212010001 is a deficient number, since it is larger than the sum of its proper divisors (21468077871).

2211212010001 is a wasteful number, since it uses less digits than its factorization.

2211212010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21468077870.

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

Adding to 2211212010001 its reverse (1000102121122), we get a palindrome (3211314131123).

The spelling of 2211212010001 in words is "two trillion, two hundred eleven billion, two hundred twelve million, ten thousand, one".