1011201002102 has 4 divisors (see below), whose sum is σ = 1516801503156. Its totient is φ = 505600501050.

The previous prime is 1011201002101. The next prime is 1011201002111. The reversal of 1011201002102 is 2012001021101.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011201002101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252800250524 + ... + 252800250527.

It is an arithmetic number, because the mean of its divisors is an integer number (379200375789).

Almost surely, 2^{1011201002102} is an apocalyptic number.

1011201002102 is a deficient number, since it is larger than the sum of its proper divisors (505600501054).

1011201002102 is an equidigital number, since it uses as much as digits as its factorization.

1011201002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505600501053.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1011201002102 its reverse (2012001021101), we get a palindrome (3023202023203).

The spelling of 1011201002102 in words is "one trillion, eleven billion, two hundred one million, two thousand, one hundred two".