101020142421111 has 8 divisors (see below), whose sum is σ = 134700851966080. Its totient is φ = 67343097245112.

The previous prime is 101020142421101. The next prime is 101020142421127. The reversal of 101020142421111 is 111124241020101.

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

It is not a de Polignac number, because 101020142421111 - 2¹⁸ = 101020142158967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101020142421101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 916027915 + ... + 916138188.

It is an arithmetic number, because the mean of its divisors is an integer number (16837606495760).

Almost surely, 2^{101020142421111} is an apocalyptic number.

101020142421111 is a deficient number, since it is larger than the sum of its proper divisors (33680709544969).

101020142421111 is a wasteful number, since it uses less digits than its factorization.

101020142421111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832184485.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 101020142421111 its reverse (111124241020101), we get a palindrome (212144383441212).

The spelling of 101020142421111 in words is "one hundred one trillion, twenty billion, one hundred forty-two million, four hundred twenty-one thousand, one hundred eleven".