1421410100402 has 4 divisors (see below), whose sum is σ = 2132115150606. Its totient is φ = 710705050200.

The previous prime is 1421410100401. The next prime is 1421410100417. The reversal of 1421410100402 is 2040010141241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1386433245961 + 34976854441 = 1177469^2 + 187021^2 .

It is not an unprimeable number, because it can be changed into a prime (1421410100401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355352525099 + ... + 355352525102.

Almost surely, 2^{1421410100402} is an apocalyptic number.

1421410100402 is a deficient number, since it is larger than the sum of its proper divisors (710705050204).

1421410100402 is an equidigital number, since it uses as much as digits as its factorization.

1421410100402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710705050203.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1421410100402 its reverse (2040010141241), we get a palindrome (3461420241643).

The spelling of 1421410100402 in words is "one trillion, four hundred twenty-one billion, four hundred ten million, one hundred thousand, four hundred two".