11222220101021 has 8 divisors (see below), whose sum is σ = 11231175095424. Its totient is φ = 11213268262560.

The previous prime is 11222220100951. The next prime is 11222220101039. The reversal of 11222220101021 is 12010102222211.

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

It is a cyclic number.

It is not a de Polignac number, because 11222220101021 - 2¹⁴ = 11222220084637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222220101221) 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, 6351401 + ... + 7923681.

It is an arithmetic number, because the mean of its divisors is an integer number (1403896886928).

Almost surely, 2^{11222220101021} is an apocalyptic number.

It is an amenable number.

11222220101021 is a deficient number, since it is larger than the sum of its proper divisors (8954994403).

11222220101021 is a wasteful number, since it uses less digits than its factorization.

11222220101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577971.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11222220101021 its reverse (12010102222211), we get a palindrome (23232322323232).

The spelling of 11222220101021 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty million, one hundred one thousand, twenty-one".