1011411021 has 16 divisors (see below), whose sum is σ = 1457892800. Its totient is φ = 621520128.

The previous prime is 1011411019. The next prime is 1011411043. The reversal of 1011411021 is 1201141101.

It is not a de Polignac number, because 1011411021 - 2¹ = 1011411019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011410988 and 1011411006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011413021) 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, 237676 + ... + 241893.

It is an arithmetic number, because the mean of its divisors is an integer number (91118300).

Almost surely, 2^1011411021 is an apocalyptic number.

It is an amenable number.

1011411021 is a deficient number, since it is larger than the sum of its proper divisors (446481779).

1011411021 is a wasteful number, since it uses less digits than its factorization.

1011411021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479628.

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

The square root of 1011411021 is about 31802.6888957522. The cubic root of 1011411021 is about 1003.7892967602.

Adding to 1011411021 its reverse (1201141101), we get a palindrome (2212552122).

The spelling of 1011411021 in words is "one billion, eleven million, four hundred eleven thousand, twenty-one".