1122011112021 has 8 divisors (see below), whose sum is σ = 1561058938560. Its totient is φ = 715485346752.

The previous prime is 1122011111981. The next prime is 1122011112023. The reversal of 1122011112021 is 1202111102211.

It is a happy number.

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

It is not a de Polignac number, because 1122011112021 - 2²⁶ = 1121944003157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122011112023) 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, 8130515236 + ... + 8130515373.

It is an arithmetic number, because the mean of its divisors is an integer number (195132367320).

Almost surely, 2^{1122011112021} is an apocalyptic number.

It is an amenable number.

1122011112021 is a deficient number, since it is larger than the sum of its proper divisors (439047826539).

1122011112021 is a wasteful number, since it uses less digits than its factorization.

1122011112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16261030635.

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

Adding to 1122011112021 its reverse (1202111102211), we get a palindrome (2324122214232).

The spelling of 1122011112021 in words is "one trillion, one hundred twenty-two billion, eleven million, one hundred twelve thousand, twenty-one".