1011022220212 has 12 divisors (see below), whose sum is σ = 1779173182080. Its totient is φ = 502687025336.

The previous prime is 1011022220189. The next prime is 1011022220237. The reversal of 1011022220212 is 2120222201101.

It is a happy number.

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, 706020388 + ... + 706021819.

It is an arithmetic number, because the mean of its divisors is an integer number (148264431840).

Almost surely, 2^{1011022220212} is an apocalyptic number.

It is an amenable number.

1011022220212 is a deficient number, since it is larger than the sum of its proper divisors (768150961868).

1011022220212 is a wasteful number, since it uses less digits than its factorization.

1011022220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412042390 (or 1412042388 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1011022220212 its reverse (2120222201101), we get a palindrome (3131244421313).

The spelling of 1011022220212 in words is "one trillion, eleven billion, twenty-two million, two hundred twenty thousand, two hundred twelve".