11312021200030 has 16 divisors (see below), whose sum is σ = 20361847967424. Its totient is φ = 4524761856160.

The previous prime is 11312021200027. The next prime is 11312021200057. The reversal of 11312021200030 is 3000212021311.

It is a super-2 number, since 2×11312021200030² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11312021199977 and 11312021200013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4800337 + ... + 6757756.

It is an arithmetic number, because the mean of its divisors is an integer number (1272615497964).

Almost surely, 2^{11312021200030} is an apocalyptic number.

11312021200030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312021200030 is a deficient number, since it is larger than the sum of its proper divisors (9049826767394).

11312021200030 is a wasteful number, since it uses less digits than its factorization.

11312021200030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11655971.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11312021200030 its reverse (3000212021311), we get a palindrome (14312233221341).

The spelling of 11312021200030 in words is "eleven trillion, three hundred twelve billion, twenty-one million, two hundred thousand, thirty".