1011110020401 has 48 divisors (see below), whose sum is σ = 1521841070592. Its totient is φ = 596187072000.

The previous prime is 1011110020367. The next prime is 1011110020477. The reversal of 1011110020401 is 1040200111101.

1011110020401 = 70649² + 70650² + ... + 70850².

It is not a de Polignac number, because 1011110020401 - 2⁷ = 1011110020273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011110020801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1268941 + ... + 1905893.

It is an arithmetic number, because the mean of its divisors is an integer number (31705022304).

Almost surely, 2^{1011110020401} is an apocalyptic number.

It is an amenable number.

1011110020401 is a deficient number, since it is larger than the sum of its proper divisors (510731050191).

1011110020401 is a wasteful number, since it uses less digits than its factorization.

1011110020401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637114 (or 637101 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1011110020401 its reverse (1040200111101), we get a palindrome (2051310131502).

The spelling of 1011110020401 in words is "one trillion, eleven billion, one hundred ten million, twenty thousand, four hundred one".