1021132202402 has 8 divisors (see below), whose sum is σ = 1649521250076. Its totient is φ = 471291785712.

The previous prime is 1021132202401. The next prime is 1021132202483. The reversal of 1021132202402 is 2042022311201.

It can be written as a sum of positive squares in 2 ways, for example, as 1009082529961 + 12049672441 = 1004531^2 + 109771^2 .

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 (1021132202401) 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, 19637157713 + ... + 19637157764.

Almost surely, 2^{1021132202402} is an apocalyptic number.

1021132202402 is a deficient number, since it is larger than the sum of its proper divisors (628389047674).

1021132202402 is a wasteful number, since it uses less digits than its factorization.

1021132202402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39274315492.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1021132202402 its reverse (2042022311201), we get a palindrome (3063154513603).

The spelling of 1021132202402 in words is "one trillion, twenty-one billion, one hundred thirty-two million, two hundred two thousand, four hundred two".