2011011400121 has 2 divisors, whose sum is σ = 2011011400122. Its totient is φ = 2011011400120.

The previous prime is 2011011400103. The next prime is 2011011400127. The reversal of 2011011400121 is 1210041101102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1037829150121 + 973182250000 = 1018739^2 + 986500^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011011400121 - 2²² = 2011007205817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2011011400096 and 2011011400105.

It is not a weakly prime, because it can be changed into another prime (2011011400127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005505700060 + 1005505700061.

It is an arithmetic number, because the mean of its divisors is an integer number (1005505700061).

Almost surely, 2^{2011011400121} is an apocalyptic number.

It is an amenable number.

2011011400121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011011400121 is an equidigital number, since it uses as much as digits as its factorization.

2011011400121 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 2011011400121 its reverse (1210041101102), we get a palindrome (3221052501223).

The spelling of 2011011400121 in words is "two trillion, eleven billion, eleven million, four hundred thousand, one hundred twenty-one".