11220212021001 has 8 divisors (see below), whose sum is σ = 14960298260544. Its totient is φ = 7480133564400.

The previous prime is 11220212020999. The next prime is 11220212021047. The reversal of 11220212021001 is 10012021202211.

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

It is not a de Polignac number, because 11220212021001 - 2¹ = 11220212020999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11220212021101) 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, 4115220 + ... + 6274986.

It is an arithmetic number, because the mean of its divisors is an integer number (1870037282568).

Almost surely, 2^{11220212021001} is an apocalyptic number.

It is an amenable number.

11220212021001 is a deficient number, since it is larger than the sum of its proper divisors (3740086239543).

11220212021001 is a wasteful number, since it uses less digits than its factorization.

11220212021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891471.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11220212021001 its reverse (10012021202211), we get a palindrome (21232233223212).

The spelling of 11220212021001 in words is "eleven trillion, two hundred twenty billion, two hundred twelve million, twenty-one thousand, one".