1021011122101 has 8 divisors (see below), whose sum is σ = 1088352963200. Its totient is φ = 955029722400.

The previous prime is 1021011122083. The next prime is 1021011122149. The reversal of 1021011122101 is 1012211101201.

It is a happy number.

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 1021011122101 - 2¹⁹ = 1021010597813 is a prime.

It is a super-2 number, since 2×1021011122101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021011122701) 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, 340108800 + ... + 340111801.

It is an arithmetic number, because the mean of its divisors is an integer number (136044120400).

Almost surely, 2^{1021011122101} is an apocalyptic number.

It is an amenable number.

1021011122101 is a deficient number, since it is larger than the sum of its proper divisors (67341841099).

1021011122101 is an equidigital number, since it uses as much as digits as its factorization.

1021011122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680220699.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1021011122101 its reverse (1012211101201), we get a palindrome (2033222223302).

The spelling of 1021011122101 in words is "one trillion, twenty-one billion, eleven million, one hundred twenty-two thousand, one hundred one".