2211222020001 has 16 divisors (see below), whose sum is σ = 3017013717696. Its totient is φ = 1439792637696.

The previous prime is 2211222019967. The next prime is 2211222020009. The reversal of 2211222020001 is 1000202221122.

It is not a de Polignac number, because 2211222020001 - 2¹⁰ = 2211222018977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211222020009) 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, 2186461 + ... + 3033653.

It is an arithmetic number, because the mean of its divisors is an integer number (188563357356).

Almost surely, 2^{2211222020001} is an apocalyptic number.

It is an amenable number.

2211222020001 is a deficient number, since it is larger than the sum of its proper divisors (805791697695).

2211222020001 is a wasteful number, since it uses less digits than its factorization.

2211222020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867472.

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

Adding to 2211222020001 its reverse (1000202221122), we get a palindrome (3211424241123).

The spelling of 2211222020001 in words is "two trillion, two hundred eleven billion, two hundred twenty-two million, twenty thousand, one".