2010312121091 has 2 divisors, whose sum is σ = 2010312121092. Its totient is φ = 2010312121090.

The previous prime is 2010312121063. The next prime is 2010312121123. The reversal of 2010312121091 is 1901212130102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2010312121091 is a prime.

It is not a weakly prime, because it can be changed into another prime (2010312121691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005156060545 + 1005156060546.

It is an arithmetic number, because the mean of its divisors is an integer number (1005156060546).

Almost surely, 2^{2010312121091} is an apocalyptic number.

2010312121091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010312121091 is an equidigital number, since it uses as much as digits as its factorization.

2010312121091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 2010312121091 its reverse (1901212130102), we get a palindrome (3911524251193).

The spelling of 2010312121091 in words is "two trillion, ten billion, three hundred twelve million, one hundred twenty-one thousand, ninety-one".