1021022011121 has 8 divisors (see below), whose sum is σ = 1195342842624. Its totient is φ = 853816315680.

The previous prime is 1021022011109. The next prime is 1021022011127. The reversal of 1021022011121 is 1211102201201.

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

It is a cyclic number.

It is not a de Polignac number, because 1021022011121 - 2³⁰ = 1019948269297 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1021022011096 and 1021022011105.

It is not an unprimeable number, because it can be changed into a prime (1021022011127) 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, 1778783705 + ... + 1778784278.

It is an arithmetic number, because the mean of its divisors is an integer number (149417855328).

Almost surely, 2^{1021022011121} is an apocalyptic number.

It is an amenable number.

1021022011121 is a deficient number, since it is larger than the sum of its proper divisors (174320831503).

1021022011121 is an equidigital number, since it uses as much as digits as its factorization.

1021022011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557568031.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1021022011121 its reverse (1211102201201), we get a palindrome (2232124212322).

The spelling of 1021022011121 in words is "one trillion, twenty-one billion, twenty-two million, eleven thousand, one hundred twenty-one".