1020211101123 has 8 divisors (see below), whose sum is σ = 1391915921088. Its totient is φ = 664323507624.

The previous prime is 1020211101101. The next prime is 1020211101139. The reversal of 1020211101123 is 3211011120201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020211101123 - 2¹⁶ = 1020211035587 is a prime.

It is a super-2 number, since 2×1020211101123² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020211101163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3954306465 + ... + 3954306722.

It is an arithmetic number, because the mean of its divisors is an integer number (173989490136).

Almost surely, 2^{1020211101123} is an apocalyptic number.

1020211101123 is a deficient number, since it is larger than the sum of its proper divisors (371704819965).

1020211101123 is an equidigital number, since it uses as much as digits as its factorization.

1020211101123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7908613233.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1020211101123 its reverse (3211011120201), we get a palindrome (4231222221324).

The spelling of 1020211101123 in words is "one trillion, twenty billion, two hundred eleven million, one hundred one thousand, one hundred twenty-three".