121123201010 has 16 divisors (see below), whose sum is σ = 249167727936. Its totient is φ = 41527954608.

The previous prime is 121123200983. The next prime is 121123201037. The reversal of 121123201010 is 10102321121.

It is an interprime number because it is at equal distance from previous prime (121123200983) and next prime (121123201037).

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 865165652 + ... + 865165791.

It is an arithmetic number, because the mean of its divisors is an integer number (15572982996).

Almost surely, 2^121123201010 is an apocalyptic number.

121123201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121123201010 is an abundant number, since it is smaller than the sum of its proper divisors (128044526926).

121123201010 is a wasteful number, since it uses less digits than its factorization.

121123201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1730331457.

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

Adding to 121123201010 its reverse (10102321121), we get a palindrome (131225522131).

The spelling of 121123201010 in words is "one hundred twenty-one billion, one hundred twenty-three million, two hundred one thousand, ten".