2021001102162 has 48 divisors (see below), whose sum is σ = 5176948645440. Its totient is φ = 557517544416.

The previous prime is 2021001102137. The next prime is 2021001102163. The reversal of 2021001102162 is 2612011001202.

It is a super-2 number, since 2×2021001102162² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2021001102163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276542748 + ... + 276550055.

It is an arithmetic number, because the mean of its divisors is an integer number (107853096780).

Almost surely, 2^{2021001102162} is an apocalyptic number.

2021001102162 is an abundant number, since it is smaller than the sum of its proper divisors (3155947543278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021001102162 is a wasteful number, since it uses less digits than its factorization.

2021001102162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553092847 (or 553092844 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2021001102162 its reverse (2612011001202), we get a palindrome (4633012103364).

The spelling of 2021001102162 in words is "two trillion, twenty-one billion, one million, one hundred two thousand, one hundred sixty-two".