1021120200110 has 64 divisors (see below), whose sum is σ = 1887992971200. Its totient is φ = 397473702912.

The previous prime is 1021120200109. The next prime is 1021120200119. The reversal of 1021120200110 is 110020211201.

It is a junction number, because it is equal to n+sod(n) for n = 1021120200091 and 1021120200100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021120200119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83167292 + ... + 83179568.

It is an arithmetic number, because the mean of its divisors is an integer number (29499890175).

Almost surely, 2^{1021120200110} is an apocalyptic number.

1021120200110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021120200110 is a deficient number, since it is larger than the sum of its proper divisors (866872771090).

1021120200110 is a wasteful number, since it uses less digits than its factorization.

1021120200110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13605.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1021120200110 its reverse (110020211201), we get a palindrome (1131140411311).

The spelling of 1021120200110 in words is "one trillion, twenty-one billion, one hundred twenty million, two hundred thousand, one hundred ten".