222121201010011 has 32 divisors (see below), whose sum is σ = 236665944023040. Its totient is φ = 208136975155200.

The previous prime is 222121201010003. The next prime is 222121201010057. The reversal of 222121201010011 is 110010102121222.

It is a cyclic number.

It is not a de Polignac number, because 222121201010011 - 2³ = 222121201010003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222121201010711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385681755 + ... + 386257243.

It is an arithmetic number, because the mean of its divisors is an integer number (7395810750720).

Almost surely, 2^{222121201010011} is an apocalyptic number.

222121201010011 is a deficient number, since it is larger than the sum of its proper divisors (14544743013029).

222121201010011 is a wasteful number, since it uses less digits than its factorization.

222121201010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578395.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222121201010011 its reverse (110010102121222), we get a palindrome (332131303131233).

The spelling of 222121201010011 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, two hundred one million, ten thousand, eleven".