1020101101242 has 16 divisors (see below), whose sum is σ = 2050883891712. Its totient is φ = 338253418880.

The previous prime is 1020101101241. The next prime is 1020101101249. The reversal of 1020101101242 is 2421011010201.

1020101101242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1020101101242² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020101101241) 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, 445069143 + ... + 445071434.

It is an arithmetic number, because the mean of its divisors is an integer number (128180243232).

Almost surely, 2^{1020101101242} is an apocalyptic number.

1020101101242 is an abundant number, since it is smaller than the sum of its proper divisors (1030782790470).

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

1020101101242 is a wasteful number, since it uses less digits than its factorization.

1020101101242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890140773.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1020101101242 its reverse (2421011010201), we get a palindrome (3441112111443).

The spelling of 1020101101242 in words is "one trillion, twenty billion, one hundred one million, one hundred one thousand, two hundred forty-two".