10202201212111 has 2 divisors, whose sum is σ = 10202201212112. Its totient is φ = 10202201212110.

The previous prime is 10202201212103. The next prime is 10202201212123. The reversal of 10202201212111 is 11121210220201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10202201212111 - 2³ = 10202201212103 is a prime.

It is a super-2 number, since 2×10202201212111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10202201212211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101100606055 + 5101100606056.

It is an arithmetic number, because the mean of its divisors is an integer number (5101100606056).

Almost surely, 2^{10202201212111} is an apocalyptic number.

10202201212111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202201212111 is an equidigital number, since it uses as much as digits as its factorization.

10202201212111 is an evil number, because the sum of its binary digits is even.

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

Adding to 10202201212111 its reverse (11121210220201), we get a palindrome (21323411432312).

The spelling of 10202201212111 in words is "ten trillion, two hundred two billion, two hundred one million, two hundred twelve thousand, one hundred eleven".