101021220011 has 8 divisors (see below), whose sum is σ = 105468596640. Its totient is φ = 96578439232.

The previous prime is 101021219993. The next prime is 101021220037. The reversal of 101021220011 is 110022120101.

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-101021220011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101021219974 and 101021220001.

It is not an unprimeable number, because it can be changed into a prime (101021220611) 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, 1103996 + ... + 1191993.

It is an arithmetic number, because the mean of its divisors is an integer number (13183574580).

Almost surely, 2^101021220011 is an apocalyptic number.

101021220011 is a deficient number, since it is larger than the sum of its proper divisors (4447376629).

101021220011 is a wasteful number, since it uses less digits than its factorization.

101021220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297925.

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

Adding to 101021220011 its reverse (110022120101), we get a palindrome (211043340112).

The spelling of 101021220011 in words is "one hundred one billion, twenty-one million, two hundred twenty thousand, eleven".