110021220021212 has 12 divisors (see below), whose sum is σ = 203862848862960. Its totient is φ = 51774691774656.

The previous prime is 110021220021191. The next prime is 110021220021217. The reversal of 110021220021212 is 212120022120011.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110021220021217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808979558912 + ... + 808979559047.

It is an arithmetic number, because the mean of its divisors is an integer number (16988570738580).

Almost surely, 2^{110021220021212} is an apocalyptic number.

It is an amenable number.

110021220021212 is a deficient number, since it is larger than the sum of its proper divisors (93841628841748).

110021220021212 is a wasteful number, since it uses less digits than its factorization.

110021220021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617959117980 (or 1617959117978 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 110021220021212 its reverse (212120022120011), we get a palindrome (322141242141223).

The spelling of 110021220021212 in words is "one hundred ten trillion, twenty-one billion, two hundred twenty million, twenty-one thousand, two hundred twelve".