1011210021101 has 8 divisors (see below), whose sum is σ = 1155701162304. Its totient is φ = 866727021600.

The previous prime is 1011210021077. The next prime is 1011210021167. The reversal of 1011210021101 is 1011200121101.

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-1011210021101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011210021181) 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, 1766915 + ... + 2268128.

It is an arithmetic number, because the mean of its divisors is an integer number (144462645288).

Almost surely, 2^{1011210021101} is an apocalyptic number.

It is an amenable number.

1011210021101 is a deficient number, since it is larger than the sum of its proper divisors (144491141203).

1011210021101 is an equidigital number, since it uses as much as digits as its factorization.

1011210021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070851.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1011210021101 its reverse (1011200121101), we get a palindrome (2022410142202).

The spelling of 1011210021101 in words is "one trillion, eleven billion, two hundred ten million, twenty-one thousand, one hundred one".