1011231020102 has 16 divisors (see below), whose sum is σ = 1556436924000. Its totient is φ = 492459888960.

The previous prime is 1011231020099. The next prime is 1011231020147. The reversal of 1011231020102 is 2010201321101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10244777 + ... + 10343012.

It is an arithmetic number, because the mean of its divisors is an integer number (97277307750).

Almost surely, 2^{1011231020102} is an apocalyptic number.

1011231020102 is a deficient number, since it is larger than the sum of its proper divisors (545205903898).

1011231020102 is a wasteful number, since it uses less digits than its factorization.

1011231020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20588431.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1011231020102 its reverse (2010201321101), we get a palindrome (3021432341203).

The spelling of 1011231020102 in words is "one trillion, eleven billion, two hundred thirty-one million, twenty thousand, one hundred two".