11001022001212 has 24 divisors (see below), whose sum is σ = 19314778545216. Its totient is φ = 5482517905728.

The previous prime is 11001022001201. The next prime is 11001022001257. The reversal of 11001022001212 is 21210022010011.

It is a junction number, because it is equal to n+sod(n) for n = 11001022001192 and 11001022001201.

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, 10430898 + ... + 11437030.

It is an arithmetic number, because the mean of its divisors is an integer number (804782439384).

Almost surely, 2^{11001022001212} is an apocalyptic number.

It is an amenable number.

11001022001212 is a deficient number, since it is larger than the sum of its proper divisors (8313756544004).

11001022001212 is a wasteful number, since it uses less digits than its factorization.

11001022001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015077 (or 1015075 counting only the distinct ones).

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

Adding to 11001022001212 its reverse (21210022010011), we get a palindrome (32211044011223).

The spelling of 11001022001212 in words is "eleven trillion, one billion, twenty-two million, one thousand, two hundred twelve".