2211110021012 has 12 divisors (see below), whose sum is σ = 3869665257696. Its totient is φ = 1105491375960.

The previous prime is 2211110020981. The next prime is 2211110021023. The reversal of 2211110021012 is 2101200111122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15830414 + ... + 15969477.

It is an arithmetic number, because the mean of its divisors is an integer number (322472104808).

Almost surely, 2^{2211110021012} is an apocalyptic number.

It is an amenable number.

2211110021012 is a deficient number, since it is larger than the sum of its proper divisors (1658555236684).

2211110021012 is a wasteful number, since it uses less digits than its factorization.

2211110021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31817278 (or 31817276 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2211110021012 its reverse (2101200111122), we get a palindrome (4312310132134).

The spelling of 2211110021012 in words is "two trillion, two hundred eleven billion, one hundred ten million, twenty-one thousand, twelve".