11111222020010 has 16 divisors (see below), whose sum is σ = 22857371012736. Its totient is φ = 3809561835408.

The previous prime is 11111222019983. The next prime is 11111222020037. The reversal of 11111222020010 is 1002022211111.

It is an interprime number because it is at equal distance from previous prime (11111222019983) and next prime (11111222020037).

It is a super-3 number, since 3×11111222020010³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79365871502 + ... + 79365871641.

It is an arithmetic number, because the mean of its divisors is an integer number (1428585688296).

Almost surely, 2^{11111222020010} is an apocalyptic number.

11111222020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111222020010 is an abundant number, since it is smaller than the sum of its proper divisors (11746148992726).

11111222020010 is a wasteful number, since it uses less digits than its factorization.

11111222020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158731743157.

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

Adding to 11111222020010 its reverse (1002022211111), we get a palindrome (12113244231121).

The spelling of 11111222020010 in words is "eleven trillion, one hundred eleven billion, two hundred twenty-two million, twenty thousand, ten".