101121201101021 has 8 divisors (see below), whose sum is σ = 103318230766080. Its totient is φ = 98926067883888.

The previous prime is 101121201100961. The next prime is 101121201101027. The reversal of 101121201101021 is 120101102121101.

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-101121201101021 is a prime.

It is a super-2 number, since 2×101121201101021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101121201100987 and 101121201101005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121201101027) 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, 474004181 + ... + 474217466.

It is an arithmetic number, because the mean of its divisors is an integer number (12914778845760).

Almost surely, 2^{101121201101021} is an apocalyptic number.

It is an amenable number.

101121201101021 is a deficient number, since it is larger than the sum of its proper divisors (2197029665059).

101121201101021 is an equidigital number, since it uses as much as digits as its factorization.

101121201101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948223963.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101121201101021 its reverse (120101102121101), we get a palindrome (221222303222122).

The spelling of 101121201101021 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred one million, one hundred one thousand, twenty-one".