101042636402 has 8 divisors (see below), whose sum is σ = 151959684096. Its totient is φ = 50389408372.

The previous prime is 101042636377. The next prime is 101042636411. The reversal of 101042636402 is 204636240101.

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

It is a super-2 number, since 2×101042636402² (a number of 23 digits) contains 22 as substring.

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, 65953958 + ... + 65955489.

It is an arithmetic number, because the mean of its divisors is an integer number (18994960512).

Almost surely, 2^101042636402 is an apocalyptic number.

101042636402 is a deficient number, since it is larger than the sum of its proper divisors (50917047694).

101042636402 is a wasteful number, since it uses less digits than its factorization.

101042636402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131909832.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 101042636402 its reverse (204636240101), we get a palindrome (305678876503).

The spelling of 101042636402 in words is "one hundred one billion, forty-two million, six hundred thirty-six thousand, four hundred two".