1020212111122 has 8 divisors (see below), whose sum is σ = 1530322758972. Its totient is φ = 510104524800.

The previous prime is 1020212111077. The next prime is 1020212111173. The reversal of 1020212111122 is 2211112120201.

It can be written as a sum of positive squares in 2 ways, for example, as 798522747201 + 221689363921 = 893601^2 + 470839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1020212111096 and 1020212111105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460222 + ... + 1500742.

Almost surely, 2^{1020212111122} is an apocalyptic number.

1020212111122 is a deficient number, since it is larger than the sum of its proper divisors (510110647850).

1020212111122 is a wasteful number, since it uses less digits than its factorization.

1020212111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530764.

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

Adding to 1020212111122 its reverse (2211112120201), we get a palindrome (3231324231323).

The spelling of 1020212111122 in words is "one trillion, twenty billion, two hundred twelve million, one hundred eleven thousand, one hundred twenty-two".