1011014312021 has 4 divisors (see below), whose sum is σ = 1155444928032. Its totient is φ = 866583696012.

The previous prime is 1011014311991. The next prime is 1011014312029. The reversal of 1011014312021 is 1202134101101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1011014312021 - 2¹⁴ = 1011014295637 is a prime.

It is a super-2 number, since 2×1011014312021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011014312029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72215307995 + ... + 72215308008.

It is an arithmetic number, because the mean of its divisors is an integer number (288861232008).

Almost surely, 2^{1011014312021} is an apocalyptic number.

It is an amenable number.

1011014312021 is a deficient number, since it is larger than the sum of its proper divisors (144430616011).

1011014312021 is an equidigital number, since it uses as much as digits as its factorization.

1011014312021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144430616010.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1011014312021 its reverse (1202134101101), we get a palindrome (2213148413122).

The spelling of 1011014312021 in words is "one trillion, eleven billion, fourteen million, three hundred twelve thousand, twenty-one".