2012211125101 has 2 divisors, whose sum is σ = 2012211125102. Its totient is φ = 2012211125100.

The previous prime is 2012211125087. The next prime is 2012211125137. The reversal of 2012211125101 is 1015211122102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1790977299076 + 221233826025 = 1338274^2 + 470355^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012211125101 - 2⁵ = 2012211125069 is a prime.

It is a super-2 number, since 2×2012211125101² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012211128101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006105562550 + 1006105562551.

It is an arithmetic number, because the mean of its divisors is an integer number (1006105562551).

Almost surely, 2^{2012211125101} is an apocalyptic number.

It is an amenable number.

2012211125101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012211125101 is an equidigital number, since it uses as much as digits as its factorization.

2012211125101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 19.

Adding to 2012211125101 its reverse (1015211122102), we get a palindrome (3027422247203).

It can be divided in two parts, 2012211 and 125101, that added together give a palindrome (2137312).

The spelling of 2012211125101 in words is "two trillion, twelve billion, two hundred eleven million, one hundred twenty-five thousand, one hundred one".