110221001212 has 36 divisors (see below), whose sum is σ = 234134061840. Its totient is φ = 45183762624.

The previous prime is 110221001203. The next prime is 110221001221. The reversal of 110221001212 is 212100122011.

It is an interprime number because it is at equal distance from previous prime (110221001203) and next prime (110221001221).

It is a junction number, because it is equal to n+sod(n) for n = 110221001192 and 110221001201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12220537 + ... + 12229552.

It is an arithmetic number, because the mean of its divisors is an integer number (6503723940).

Almost surely, 2^110221001212 is an apocalyptic number.

It is an amenable number.

110221001212 is an abundant number, since it is smaller than the sum of its proper divisors (123913060628).

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

110221001212 is a wasteful number, since it uses less digits than its factorization.

110221001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24450130 (or 24450121 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110221001212 its reverse (212100122011), we get a palindrome (322321123223).

The spelling of 110221001212 in words is "one hundred ten billion, two hundred twenty-one million, one thousand, two hundred twelve".