2201212021011 has 4 divisors (see below), whose sum is σ = 2934949361352. Its totient is φ = 1467474680672.

The previous prime is 2201212020923. The next prime is 2201212021033. The reversal of 2201212021011 is 1101202121022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2201212021011 - 2³¹ = 2199064537363 is a prime.

It is a super-2 number, since 2×2201212021011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2201212121011) 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, 366868670166 + ... + 366868670171.

It is an arithmetic number, because the mean of its divisors is an integer number (733737340338).

Almost surely, 2^{2201212021011} is an apocalyptic number.

2201212021011 is a deficient number, since it is larger than the sum of its proper divisors (733737340341).

2201212021011 is an equidigital number, since it uses as much as digits as its factorization.

2201212021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733737340340.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2201212021011 its reverse (1101202121022), we get a palindrome (3302414142033).

The spelling of 2201212021011 in words is "two trillion, two hundred one billion, two hundred twelve million, twenty-one thousand, eleven".