1020120221122 has 16 divisors (see below), whose sum is σ = 1542278126592. Its totient is φ = 506027768400.

The previous prime is 1020120221083. The next prime is 1020120221143. The reversal of 1020120221122 is 2211220210201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020120221096 and 1020120221105.

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, 13995372 + ... + 14068072.

It is an arithmetic number, because the mean of its divisors is an integer number (96392382912).

Almost surely, 2^{1020120221122} is an apocalyptic number.

1020120221122 is a deficient number, since it is larger than the sum of its proper divisors (522157905470).

1020120221122 is a wasteful number, since it uses less digits than its factorization.

1020120221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128073.

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

Adding to 1020120221122 its reverse (2211220210201), we get a palindrome (3231340431323).

The spelling of 1020120221122 in words is "one trillion, twenty billion, one hundred twenty million, two hundred twenty-one thousand, one hundred twenty-two".