1021011121222 has 8 divisors (see below), whose sum is σ = 1531562079672. Its totient is φ = 510490428000.

The previous prime is 1021011121129. The next prime is 1021011121241. The reversal of 1021011121222 is 2221211101201.

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 = 1021011121196 and 1021011121205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7481779 + ... + 7617022.

It is an arithmetic number, because the mean of its divisors is an integer number (191445259959).

Almost surely, 2^{1021011121222} is an apocalyptic number.

1021011121222 is a deficient number, since it is larger than the sum of its proper divisors (510550958450).

1021011121222 is a wasteful number, since it uses less digits than its factorization.

1021011121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15132614.

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

Adding to 1021011121222 its reverse (2221211101201), we get a palindrome (3242222222423).

The spelling of 1021011121222 in words is "one trillion, twenty-one billion, eleven million, one hundred twenty-one thousand, two hundred twenty-two".