101020112122211 has 2 divisors, whose sum is σ = 101020112122212. Its totient is φ = 101020112122210.

The previous prime is 101020112122199. The next prime is 101020112122219. The reversal of 101020112122211 is 112221211020101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101020112122211 - 2¹⁸ = 101020111860067 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101020112122211.

It is not a weakly prime, because it can be changed into another prime (101020112122219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510056061105 + 50510056061106.

It is an arithmetic number, because the mean of its divisors is an integer number (50510056061106).

Almost surely, 2^{101020112122211} is an apocalyptic number.

101020112122211 is a deficient number, since it is larger than the sum of its proper divisors (1).

101020112122211 is an equidigital number, since it uses as much as digits as its factorization.

101020112122211 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 17.

Adding to 101020112122211 its reverse (112221211020101), we get a palindrome (213241323142312).

The spelling of 101020112122211 in words is "one hundred one trillion, twenty billion, one hundred twelve million, one hundred twenty-two thousand, two hundred eleven".