101021201021111 has 8 divisors (see below), whose sum is σ = 115477061091840. Its totient is φ = 86571405931608.

The previous prime is 101021201021089. The next prime is 101021201021171. The reversal of 101021201021111 is 111120102120101.

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 101021201021111 - 2²² = 101021196826807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021201021171) 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, 1516209611 + ... + 1516276236.

It is an arithmetic number, because the mean of its divisors is an integer number (14434632636480).

Almost surely, 2^{101021201021111} is an apocalyptic number.

101021201021111 is a deficient number, since it is larger than the sum of its proper divisors (14455860070729).

101021201021111 is an equidigital number, since it uses as much as digits as its factorization.

101021201021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3032490613.

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

Adding to 101021201021111 its reverse (111120102120101), we get a palindrome (212141303141212).

The spelling of 101021201021111 in words is "one hundred one trillion, twenty-one billion, two hundred one million, twenty-one thousand, one hundred eleven".