11301211020 has 96 divisors (see below), whose sum is σ = 36336948480. Its totient is φ = 2595490560.

The previous prime is 11301210979. The next prime is 11301211049. The reversal of 11301211020 is 2011210311.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11301210987 and 11301211005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438067 + ... + 463146.

It is an arithmetic number, because the mean of its divisors is an integer number (378509880).

Almost surely, 2^11301211020 is an apocalyptic number.

11301211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11301211020 is an abundant number, since it is smaller than the sum of its proper divisors (25035737460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11301211020 is a wasteful number, since it uses less digits than its factorization.

11301211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901255 (or 901253 counting only the distinct ones).

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

Adding to 11301211020 its reverse (2011210311), we get a palindrome (13312421331).

The spelling of 11301211020 in words is "eleven billion, three hundred one million, two hundred eleven thousand, twenty".