1011202021102 has 32 divisors (see below), whose sum is σ = 1867026377664. Its totient is φ = 399994848000.

The previous prime is 1011202021097. The next prime is 1011202021243. The reversal of 1011202021102 is 2011202021101.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1521402 + ... + 2082562.

It is an arithmetic number, because the mean of its divisors is an integer number (58344574302).

Almost surely, 2^{1011202021102} is an apocalyptic number.

1011202021102 is a deficient number, since it is larger than the sum of its proper divisors (855824356562).

1011202021102 is a wasteful number, since it uses less digits than its factorization.

1011202021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571084.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1011202021102 its reverse (2011202021101), we get a palindrome (3022404042203).

Subtracting 1011202021102 from its reverse (2011202021101), we obtain a palindrome (999999999999).

The spelling of 1011202021102 in words is "one trillion, eleven billion, two hundred two million, twenty-one thousand, one hundred two".