122021110001021 has 8 divisors (see below), whose sum is σ = 152130215066304. Its totient is φ = 95081384416320.

The previous prime is 122021110000981. The next prime is 122021110001039. The reversal of 122021110001021 is 120100011120221.

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-122021110001021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122021110000987 and 122021110001005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021110001071) 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, 792344870060 + ... + 792344870213.

It is an arithmetic number, because the mean of its divisors is an integer number (19016276883288).

Almost surely, 2^{122021110001021} is an apocalyptic number.

122021110001021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122021110001021 is a deficient number, since it is larger than the sum of its proper divisors (30109105065283).

122021110001021 is a wasteful number, since it uses less digits than its factorization.

122021110001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584689740291.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122021110001021 its reverse (120100011120221), we get a palindrome (242121121121242).

The spelling of 122021110001021 in words is "one hundred twenty-two trillion, twenty-one billion, one hundred ten million, one thousand, twenty-one".