1020001101102 has 48 divisors (see below), whose sum is σ = 2227189713840. Its totient is φ = 337358995200.

The previous prime is 1020001101043. The next prime is 1020001101113. The reversal of 1020001101102 is 2011011000201.

It is a happy number.

It is a super-2 number, since 2×1020001101102² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4238902 + ... + 4473062.

It is an arithmetic number, because the mean of its divisors is an integer number (46399785705).

Almost surely, 2^{1020001101102} is an apocalyptic number.

1020001101102 is an abundant number, since it is smaller than the sum of its proper divisors (1207188612738).

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

1020001101102 is a wasteful number, since it uses less digits than its factorization.

1020001101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236049 (or 236046 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1020001101102 its reverse (2011011000201), we get a palindrome (3031012101303).

The spelling of 1020001101102 in words is "one trillion, twenty billion, one million, one hundred one thousand, one hundred two".