1121010402111 has 16 divisors (see below), whose sum is σ = 1510114604544. Its totient is φ = 739632105504.

The previous prime is 1121010402091. The next prime is 1121010402163. The reversal of 1121010402111 is 1112040101211.

It is a happy number.

It is not a de Polignac number, because 1121010402111 - 2⁷ = 1121010401983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121010409111) 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, 602251 + ... + 1613916.

It is an arithmetic number, because the mean of its divisors is an integer number (94382162784).

Almost surely, 2^{1121010402111} is an apocalyptic number.

1121010402111 is a deficient number, since it is larger than the sum of its proper divisors (389104202433).

1121010402111 is a wasteful number, since it uses less digits than its factorization.

1121010402111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217910.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1121010402111 its reverse (1112040101211), we get a palindrome (2233050503322).

The spelling of 1121010402111 in words is "one trillion, one hundred twenty-one billion, ten million, four hundred two thousand, one hundred eleven".