1021133212210 has 8 divisors (see below), whose sum is σ = 1838039781996. Its totient is φ = 408453284880.

The previous prime is 1021133212199. The next prime is 1021133212219. The reversal of 1021133212210 is 122123311201.

It can be written as a sum of positive squares in 2 ways, for example, as 977090733441 + 44042478769 = 988479^2 + 209863^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1021133212219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51056660601 + ... + 51056660620.

Almost surely, 2^{1021133212210} is an apocalyptic number.

1021133212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021133212210 is a deficient number, since it is larger than the sum of its proper divisors (816906569786).

1021133212210 is a wasteful number, since it uses less digits than its factorization.

1021133212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102113321228.

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

Adding to 1021133212210 its reverse (122123311201), we get a palindrome (1143256523411).

The spelling of 1021133212210 in words is "one trillion, twenty-one billion, one hundred thirty-three million, two hundred twelve thousand, two hundred ten".