1021001011102 has 32 divisors (see below), whose sum is σ = 1637903428704. Its totient is φ = 475638912000.

The previous prime is 1021001011091. The next prime is 1021001011103. The reversal of 1021001011102 is 2011101001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021001011103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25944813 + ... + 25984135.

It is an arithmetic number, because the mean of its divisors is an integer number (51184482147).

Almost surely, 2^{1021001011102} is an apocalyptic number.

1021001011102 is a deficient number, since it is larger than the sum of its proper divisors (616902417602).

1021001011102 is a wasteful number, since it uses less digits than its factorization.

1021001011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47004.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1021001011102 its reverse (2011101001201), we get a palindrome (3032102012303).

Subtracting 1021001011102 from its reverse (2011101001201), we obtain a palindrome (990099990099).

The spelling of 1021001011102 in words is "one trillion, twenty-one billion, one million, eleven thousand, one hundred two".