10202220011111 has 8 divisors (see below), whose sum is σ = 10231829998080. Its totient is φ = 10172624189112.

The previous prime is 10202220011089. The next prime is 10202220011141. The reversal of 10202220011111 is 11111002220201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10202220011111 is a prime.

It is a super-2 number, since 2×10202220011111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202220011141) 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, 2097815 + ... + 4980488.

It is an arithmetic number, because the mean of its divisors is an integer number (1278978749760).

Almost surely, 2^{10202220011111} is an apocalyptic number.

10202220011111 is a deficient number, since it is larger than the sum of its proper divisors (29609986969).

10202220011111 is an equidigital number, since it uses as much as digits as its factorization.

10202220011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7082485.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10202220011111 its reverse (11111002220201), we get a palindrome (21313222231312).

The spelling of 10202220011111 in words is "ten trillion, two hundred two billion, two hundred twenty million, eleven thousand, one hundred eleven".