490101122021102 has 8 divisors (see below), whose sum is σ = 735425278753536. Its totient is φ = 244959362436592.

The previous prime is 490101122021053. The next prime is 490101122021129. The reversal of 490101122021102 is 201120221101094.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×490101122021102² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45599280263 + ... + 45599291010.

It is an arithmetic number, because the mean of its divisors is an integer number (91928159844192).

Almost surely, 2^{490101122021102} is an apocalyptic number.

490101122021102 is a deficient number, since it is larger than the sum of its proper divisors (245324156732434).

490101122021102 is a wasteful number, since it uses less digits than its factorization.

490101122021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91198573962.

The product of its (nonzero) digits is 576, while the sum is 26.

Adding to 490101122021102 its reverse (201120221101094), we get a palindrome (691221343122196).

The spelling of 490101122021102 in words is "four hundred ninety trillion, one hundred one billion, one hundred twenty-two million, twenty-one thousand, one hundred two".