2211101121012 has 48 divisors (see below), whose sum is σ = 5898118152192. Its totient is φ = 631545124320.

The previous prime is 2211101121001. The next prime is 2211101121037. The reversal of 2211101121012 is 2101211011122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2211101120982 and 2211101121000.

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, 3856468 + ... + 4392555.

It is an arithmetic number, because the mean of its divisors is an integer number (122877461504).

Almost surely, 2^{2211101121012} is an apocalyptic number.

It is an amenable number.

2211101121012 is an abundant number, since it is smaller than the sum of its proper divisors (3687017031180).

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

2211101121012 is a wasteful number, since it uses less digits than its factorization.

2211101121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8252228 (or 8252226 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2211101121012 its reverse (2101211011122), we get a palindrome (4312312132134).

The spelling of 2211101121012 in words is "two trillion, two hundred eleven billion, one hundred one million, one hundred twenty-one thousand, twelve".