1102111001212 has 48 divisors (see below), whose sum is σ = 2150192096640. Its totient is φ = 490780297728.

The previous prime is 1102111001153. The next prime is 1102111001239. The reversal of 1102111001212 is 2121001112011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1102111001192 and 1102111001201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1889088 + ... + 2402680.

It is an arithmetic number, because the mean of its divisors is an integer number (44795668680).

Almost surely, 2^{1102111001212} is an apocalyptic number.

It is an amenable number.

1102111001212 is a deficient number, since it is larger than the sum of its proper divisors (1048081095428).

1102111001212 is a wasteful number, since it uses less digits than its factorization.

1102111001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515062 (or 515060 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1102111001212 its reverse (2121001112011), we get a palindrome (3223112113223).

The spelling of 1102111001212 in words is "one trillion, one hundred two billion, one hundred eleven million, one thousand, two hundred twelve".