10201021221011 has 2 divisors, whose sum is σ = 10201021221012. Its totient is φ = 10201021221010.

The previous prime is 10201021221007. The next prime is 10201021221037. The reversal of 10201021221011 is 11012212010201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10201021221011 - 2² = 10201021221007 is a prime.

It is not a weakly prime, because it can be changed into another prime (10201021221091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100510610505 + 5100510610506.

It is an arithmetic number, because the mean of its divisors is an integer number (5100510610506).

Almost surely, 2^{10201021221011} is an apocalyptic number.

10201021221011 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201021221011 is an equidigital number, since it uses as much as digits as its factorization.

10201021221011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10201021221011 its reverse (11012212010201), we get a palindrome (21213233231212).

The spelling of 10201021221011 in words is "ten trillion, two hundred one billion, twenty-one million, two hundred twenty-one thousand, eleven".