1121420404011 has 16 divisors (see below), whose sum is σ = 1535515920288. Its totient is φ = 727560192000.

The previous prime is 1121420404007. The next prime is 1121420404061. The reversal of 1121420404011 is 1104040241211.

It is not a de Polignac number, because 1121420404011 - 2² = 1121420404007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121420404001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11318806 + ... + 11417451.

It is an arithmetic number, because the mean of its divisors is an integer number (95969745018).

Almost surely, 2^{1121420404011} is an apocalyptic number.

1121420404011 is a deficient number, since it is larger than the sum of its proper divisors (414095516277).

1121420404011 is a wasteful number, since it uses less digits than its factorization.

1121420404011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22736702.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 1121420404011 its reverse (1104040241211), we get a palindrome (2225460645222).

The spelling of 1121420404011 in words is "one trillion, one hundred twenty-one billion, four hundred twenty million, four hundred four thousand, eleven".