1010121220102 has 4 divisors (see below), whose sum is σ = 1515181830156. Its totient is φ = 505060610050.

The previous prime is 1010121220093. The next prime is 1010121220109. The reversal of 1010121220102 is 2010221210101.

1010121220102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (1010121220109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252530305024 + ... + 252530305027.

It is an arithmetic number, because the mean of its divisors is an integer number (378795457539).

Almost surely, 2^{1010121220102} is an apocalyptic number.

1010121220102 is a deficient number, since it is larger than the sum of its proper divisors (505060610054).

1010121220102 is an equidigital number, since it uses as much as digits as its factorization.

1010121220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505060610053.

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

Adding to 1010121220102 its reverse (2010221210101), we get a palindrome (3020342430203).

The spelling of 1010121220102 in words is "one trillion, ten billion, one hundred twenty-one million, two hundred twenty thousand, one hundred two".