1011120222021 has 32 divisors (see below), whose sum is σ = 1659375648000. Its totient is φ = 533305534464.

The previous prime is 1011120222001. The next prime is 1011120222031. The reversal of 1011120222021 is 1202220211101.

It is not a de Polignac number, because 1011120222021 - 2⁷ = 1011120221893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011120222001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4741141 + ... + 4949813.

It is an arithmetic number, because the mean of its divisors is an integer number (51855489000).

Almost surely, 2^{1011120222021} is an apocalyptic number.

It is an amenable number.

1011120222021 is a deficient number, since it is larger than the sum of its proper divisors (648255425979).

1011120222021 is a wasteful number, since it uses less digits than its factorization.

1011120222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226445.

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

Adding to 1011120222021 its reverse (1202220211101), we get a palindrome (2213340433122).

The spelling of 1011120222021 in words is "one trillion, eleven billion, one hundred twenty million, two hundred twenty-two thousand, twenty-one".