101421020142207 has 16 divisors (see below), whose sum is σ = 150662772897280. Its totient is φ = 67429779052536.

The previous prime is 101421020142149. The next prime is 101421020142217. The reversal of 101421020142207 is 702241020124101.

101421020142207 is a `hidden beast` number, since 1 + 0 + 1 + 4 + 210 + 20 + 1 + 422 + 0 + 7 = 666.

It is not a de Polignac number, because 101421020142207 - 2²³ = 101421011753599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101421020142217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5117611453 + ... + 5117631270.

It is an arithmetic number, because the mean of its divisors is an integer number (9416423306080).

Almost surely, 2^{101421020142207} is an apocalyptic number.

101421020142207 is a deficient number, since it is larger than the sum of its proper divisors (49241752755073).

101421020142207 is a wasteful number, since it uses less digits than its factorization.

101421020142207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10235243099 (or 10235243093 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

Adding to 101421020142207 its reverse (702241020124101), we get a palindrome (803662040266308).

The spelling of 101421020142207 in words is "one hundred one trillion, four hundred twenty-one billion, twenty million, one hundred forty-two thousand, two hundred seven".