20120222201011 has 2 divisors, whose sum is σ = 20120222201012. Its totient is φ = 20120222201010.

The previous prime is 20120222201003. The next prime is 20120222201059. The reversal of 20120222201011 is 11010222202102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20120222201011 - 2³ = 20120222201003 is a prime.

It is not a weakly prime, because it can be changed into another prime (20120222241011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060111100505 + 10060111100506.

It is an arithmetic number, because the mean of its divisors is an integer number (10060111100506).

Almost surely, 2^{20120222201011} is an apocalyptic number.

20120222201011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120222201011 is an equidigital number, since it uses as much as digits as its factorization.

20120222201011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20120222201011 its reverse (11010222202102), we get a palindrome (31130444403113).

The spelling of 20120222201011 in words is "twenty trillion, one hundred twenty billion, two hundred twenty-two million, two hundred one thousand, eleven".