1020222011121 has 8 divisors (see below), whose sum is σ = 1407202774080. Its totient is φ = 656694627792.

The previous prime is 1020222011119. The next prime is 1020222011173. The reversal of 1020222011121 is 1211102220201.

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

It is not a de Polignac number, because 1020222011121 - 2¹ = 1020222011119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020222011121.

It is not an unprimeable number, because it can be changed into a prime (1020222011321) 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, 5863344805 + ... + 5863344978.

It is an arithmetic number, because the mean of its divisors is an integer number (175900346760).

Almost surely, 2^{1020222011121} is an apocalyptic number.

It is an amenable number.

1020222011121 is a deficient number, since it is larger than the sum of its proper divisors (386980762959).

1020222011121 is a wasteful number, since it uses less digits than its factorization.

1020222011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11726689815.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1020222011121 its reverse (1211102220201), we get a palindrome (2231324231322).

The spelling of 1020222011121 in words is "one trillion, twenty billion, two hundred twenty-two million, eleven thousand, one hundred twenty-one".