1011012221122 has 32 divisors (see below), whose sum is σ = 1565794359360. Its totient is φ = 489380985600.

The previous prime is 1011012221111. The next prime is 1011012221143. The reversal of 1011012221122 is 2211222101101.

It is a super-2 number, since 2×1011012221122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011012221096 and 1011012221105.

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, 2900622 + ... + 3230422.

It is an arithmetic number, because the mean of its divisors is an integer number (48931073730).

Almost surely, 2^{1011012221122} is an apocalyptic number.

1011012221122 is a deficient number, since it is larger than the sum of its proper divisors (554782138238).

1011012221122 is a wasteful number, since it uses less digits than its factorization.

1011012221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330258.

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

Adding to 1011012221122 its reverse (2211222101101), we get a palindrome (3222234322223).

The spelling of 1011012221122 in words is "one trillion, eleven billion, twelve million, two hundred twenty-one thousand, one hundred twenty-two".