10111021220212 has 48 divisors (see below), whose sum is σ = 19364184064512. Its totient is φ = 4581326407680.

The previous prime is 10111021220207. The next prime is 10111021220231. The reversal of 10111021220212 is 21202212011101.

It is a super-2 number, since 2×10111021220212² (a number of 27 digits) contains 22 as substring.

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, 45755773 + ... + 45976219.

It is an arithmetic number, because the mean of its divisors is an integer number (403420501344).

Almost surely, 2^{10111021220212} is an apocalyptic number.

It is an amenable number.

10111021220212 is a deficient number, since it is larger than the sum of its proper divisors (9253162844300).

10111021220212 is a wasteful number, since it uses less digits than its factorization.

10111021220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223768 (or 223766 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 10111021220212 its reverse (21202212011101), we get a palindrome (31313233231313).

The spelling of 10111021220212 in words is "ten trillion, one hundred eleven billion, twenty-one million, two hundred twenty thousand, two hundred twelve".