1021201153402 has 8 divisors (see below), whose sum is σ = 1531813111200. Its totient is φ = 510596783004.

The previous prime is 1021201153397. The next prime is 1021201153429. The reversal of 1021201153402 is 2043511021201.

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

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, 1547502 + ... + 2106457.

It is an arithmetic number, because the mean of its divisors is an integer number (191476638900).

Almost surely, 2^{1021201153402} is an apocalyptic number.

1021201153402 is a deficient number, since it is larger than the sum of its proper divisors (510611957798).

1021201153402 is a wasteful number, since it uses less digits than its factorization.

1021201153402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793700.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 1021201153402 its reverse (2043511021201), we get a palindrome (3064712174603).

The spelling of 1021201153402 in words is "one trillion, twenty-one billion, two hundred one million, one hundred fifty-three thousand, four hundred two".