11021220131302 has 16 divisors (see below), whose sum is σ = 17461978186752. Its totient is φ = 5208828717960.

The previous prime is 11021220131269. The next prime is 11021220131347. The reversal of 11021220131302 is 20313102212011.

It is a super-3 number, since 3×11021220131302³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11021220131302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2066992858 + ... + 2066998189.

It is an arithmetic number, because the mean of its divisors is an integer number (1091373636672).

Almost surely, 2^{11021220131302} is an apocalyptic number.

11021220131302 is a deficient number, since it is larger than the sum of its proper divisors (6440758055450).

11021220131302 is a wasteful number, since it uses less digits than its factorization.

11021220131302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133991123.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11021220131302 its reverse (20313102212011), we get a palindrome (31334322343313).

The spelling of 11021220131302 in words is "eleven trillion, twenty-one billion, two hundred twenty million, one hundred thirty-one thousand, three hundred two".