1020220212122 has 16 divisors (see below), whose sum is σ = 1611063224640. Its totient is φ = 483205444128.

The previous prime is 1020220212097. The next prime is 1020220212127. The reversal of 1020220212122 is 2212120220201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020220212122.

It is not an unprimeable number, because it can be changed into a prime (1020220212127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248038 + ... + 1896849.

It is an arithmetic number, because the mean of its divisors is an integer number (100691451540).

Almost surely, 2^{1020220212122} is an apocalyptic number.

1020220212122 is a deficient number, since it is larger than the sum of its proper divisors (590843012518).

1020220212122 is a wasteful number, since it uses less digits than its factorization.

1020220212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153445.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1020220212122 its reverse (2212120220201), we get a palindrome (3232340432323).

The spelling of 1020220212122 in words is "one trillion, twenty billion, two hundred twenty million, two hundred twelve thousand, one hundred twenty-two".