11022012111021 has 8 divisors (see below), whose sum is σ = 15037783965600. Its totient is φ = 7177124165232.

The previous prime is 11022012110933. The next prime is 11022012111041. The reversal of 11022012111021 is 12011121022011.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11022012111021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022012111041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42720977046 + ... + 42720977303.

It is an arithmetic number, because the mean of its divisors is an integer number (1879722995700).

Almost surely, 2^{11022012111021} is an apocalyptic number.

It is an amenable number.

11022012111021 is a deficient number, since it is larger than the sum of its proper divisors (4015771854579).

11022012111021 is an equidigital number, since it uses as much as digits as its factorization.

11022012111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85441954395.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11022012111021 its reverse (12011121022011), we get a palindrome (23033133133032).

The spelling of 11022012111021 in words is "eleven trillion, twenty-two billion, twelve million, one hundred eleven thousand, twenty-one".