1012101112402 has 4 divisors (see below), whose sum is σ = 1518151668606. Its totient is φ = 506050556200.

The previous prime is 1012101112391. The next prime is 1012101112409. The reversal of 1012101112402 is 2042111012101.

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., 559011924241 + 453089188161 = 747671^2 + 673119^2 .

It is not an unprimeable number, because it can be changed into a prime (1012101112409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253025278099 + ... + 253025278102.

Almost surely, 2^{1012101112402} is an apocalyptic number.

1012101112402 is a deficient number, since it is larger than the sum of its proper divisors (506050556204).

1012101112402 is an equidigital number, since it uses as much as digits as its factorization.

1012101112402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506050556203.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1012101112402 its reverse (2042111012101), we get a palindrome (3054212124503).

The spelling of 1012101112402 in words is "one trillion, twelve billion, one hundred one million, one hundred twelve thousand, four hundred two".