1012110121010 has 32 divisors (see below), whose sum is σ = 1901074924800. Its totient is φ = 387228263488.

The previous prime is 1012110120997. The next prime is 1012110121013. The reversal of 1012110121010 is 101210112101.

It is a junction number, because it is equal to n+sod(n) for n = 1012110120982 and 1012110121000.

It is not an unprimeable number, because it can be changed into a prime (1012110121013) 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, 8279816 + ... + 8401164.

It is an arithmetic number, because the mean of its divisors is an integer number (59408591400).

Almost surely, 2^{1012110121010} is an apocalyptic number.

1012110121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012110121010 is a deficient number, since it is larger than the sum of its proper divisors (888964803790).

1012110121010 is a wasteful number, since it uses less digits than its factorization.

1012110121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157642.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1012110121010 its reverse (101210112101), we get a palindrome (1113320233111).

The spelling of 1012110121010 in words is "one trillion, twelve billion, one hundred ten million, one hundred twenty-one thousand, ten".