1020211121233 has 8 divisors (see below), whose sum is σ = 1064816438400. Its totient is φ = 975626496768.

The previous prime is 1020211121183. The next prime is 1020211121243. The reversal of 1020211121233 is 3321211120201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020211121233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020211121233.

It is not an unprimeable number, because it can be changed into a prime (1020211121243) 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, 5072373 + ... + 5269666.

It is an arithmetic number, because the mean of its divisors is an integer number (133102054800).

Almost surely, 2^{1020211121233} is an apocalyptic number.

It is an amenable number.

1020211121233 is a deficient number, since it is larger than the sum of its proper divisors (44605317167).

1020211121233 is a wasteful number, since it uses less digits than its factorization.

1020211121233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10346351.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1020211121233 its reverse (3321211120201), we get a palindrome (4341422241434).

The spelling of 1020211121233 in words is "one trillion, twenty billion, two hundred eleven million, one hundred twenty-one thousand, two hundred thirty-three".