101122213421 has 8 divisors (see below), whose sum is σ = 106840144800. Its totient is φ = 95443853040.

The previous prime is 101122213411. The next prime is 101122213457. The reversal of 101122213421 is 124312221101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101122213421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101122213393 and 101122213402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101122213411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9887495 + ... + 9897716.

It is an arithmetic number, because the mean of its divisors is an integer number (13355018100).

Almost surely, 2^101122213421 is an apocalyptic number.

It is an amenable number.

101122213421 is a deficient number, since it is larger than the sum of its proper divisors (5717931379).

101122213421 is a wasteful number, since it uses less digits than its factorization.

101122213421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19785499.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 101122213421 its reverse (124312221101), we get a palindrome (225434434522).

The spelling of 101122213421 in words is "one hundred one billion, one hundred twenty-two million, two hundred thirteen thousand, four hundred twenty-one".