101220201000011 has 4 divisors (see below), whose sum is σ = 102017210456832. Its totient is φ = 100423191543192.

The previous prime is 101220200999993. The next prime is 101220201000041. The reversal of 101220201000011 is 110000102022101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101220201000011 - 2¹⁸ = 101220200737867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101220200999956 and 101220201000001.

It is not an unprimeable number, because it can be changed into a prime (101220201000041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398504728220 + ... + 398504728473.

It is an arithmetic number, because the mean of its divisors is an integer number (25504302614208).

Almost surely, 2^{101220201000011} is an apocalyptic number.

101220201000011 is a deficient number, since it is larger than the sum of its proper divisors (797009456821).

101220201000011 is an equidigital number, since it uses as much as digits as its factorization.

101220201000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797009456820.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101220201000011 its reverse (110000102022101), we get a palindrome (211220303022112).

The spelling of 101220201000011 in words is "one hundred one trillion, two hundred twenty billion, two hundred one million, eleven", and thus it is an aban number.