101221121022011 has 8 divisors (see below), whose sum is σ = 101440347684864. Its totient is φ = 101001896974440.

The previous prime is 101221121022001. The next prime is 101221121022019. The reversal of 101221121022011 is 110220121122101.

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

It is a cyclic number.

It is not a de Polignac number, because 101221121022011 - 2²² = 101221116827707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101221121022019) 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, 90612806 + ... + 91723076.

It is an arithmetic number, because the mean of its divisors is an integer number (12680043460608).

Almost surely, 2^{101221121022011} is an apocalyptic number.

101221121022011 is a deficient number, since it is larger than the sum of its proper divisors (219226662853).

101221121022011 is a wasteful number, since it uses less digits than its factorization.

101221121022011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307641.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101221121022011 its reverse (110220121122101), we get a palindrome (211441242144112).

The spelling of 101221121022011 in words is "one hundred one trillion, two hundred twenty-one billion, one hundred twenty-one million, twenty-two thousand, eleven".