120101121010 has 128 divisors (see below), whose sum is σ = 253272821760. Its totient is φ = 40639104000.

The previous prime is 120101120969. The next prime is 120101121029. The reversal of 120101121010 is 10121101021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9355276 + ... + 9368104.

It is an arithmetic number, because the mean of its divisors is an integer number (1978693920).

Almost surely, 2^120101121010 is an apocalyptic number.

120101121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120101121010 is an abundant number, since it is smaller than the sum of its proper divisors (133171700750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120101121010 is a wasteful number, since it uses less digits than its factorization.

120101121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13004.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 120101121010 its reverse (10121101021), we get a palindrome (130222222031).

The spelling of 120101121010 in words is "one hundred twenty billion, one hundred one million, one hundred twenty-one thousand, ten".