110021212000020 has 24 divisors (see below), whose sum is σ = 308059393600224. Its totient is φ = 29338989866656.

The previous prime is 110021212000019. The next prime is 110021212000031. The reversal of 110021212000020 is 20000212120011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 916843433274 + ... + 916843433393.

It is an arithmetic number, because the mean of its divisors is an integer number (12835808066676).

Almost surely, 2^{110021212000020} is an apocalyptic number.

110021212000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110021212000020 is an abundant number, since it is smaller than the sum of its proper divisors (198038181600204).

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

110021212000020 is a wasteful number, since it uses less digits than its factorization.

110021212000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833686866679 (or 1833686866677 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 110021212000020 its reverse (20000212120011), we get a palindrome (130021424120031).

The spelling of 110021212000020 in words is "one hundred ten trillion, twenty-one billion, two hundred twelve million, twenty", and thus it is an aban number.