11102121111020 has 12 divisors (see below), whose sum is σ = 23314454333184. Its totient is φ = 4440848444400.

The previous prime is 11102121111017. The next prime is 11102121111043. The reversal of 11102121111020 is 2011112120111.

It is a junction number, because it is equal to n+sod(n) for n = 11102121110986 and 11102121111004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277553027756 + ... + 277553027795.

It is an arithmetic number, because the mean of its divisors is an integer number (1942871194432).

Almost surely, 2^{11102121111020} is an apocalyptic number.

11102121111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11102121111020 is an abundant number, since it is smaller than the sum of its proper divisors (12212333222164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11102121111020 is a wasteful number, since it uses less digits than its factorization.

11102121111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555106055560 (or 555106055558 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11102121111020 its reverse (2011112120111), we get a palindrome (13113233231131).

The spelling of 11102121111020 in words is "eleven trillion, one hundred two billion, one hundred twenty-one million, one hundred eleven thousand, twenty".