1021121122 has 16 divisors (see below), whose sum is σ = 1750917312. Its totient is φ = 437517360.

The previous prime is 1021121063. The next prime is 1021121147. The reversal of 1021121122 is 2211211201.

1021121122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86593 + ... + 97675.

It is an arithmetic number, because the mean of its divisors is an integer number (109432332).

Almost surely, 2^1021121122 is an apocalyptic number.

1021121122 is a deficient number, since it is larger than the sum of its proper divisors (729796190).

1021121122 is a wasteful number, since it uses less digits than its factorization.

1021121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17673.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1021121122 is about 31954.9858707526. The cubic root of 1021121122 is about 1006.9913806846.

Adding to 1021121122 its reverse (2211211201), we get a palindrome (3232332323).

The spelling of 1021121122 in words is "one billion, twenty-one million, one hundred twenty-one thousand, one hundred twenty-two".