10203121220030 has 32 divisors (see below), whose sum is σ = 18436574894400. Its totient is φ = 4065497291520.

The previous prime is 10203121219979. The next prime is 10203121220107. The reversal of 10203121220030 is 3002212130201.

It is a junction number, because it is equal to n+sod(n) for n = 10203121219990 and 10203121220008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3758402 + ... + 5876378.

It is an arithmetic number, because the mean of its divisors is an integer number (576142965450).

Almost surely, 2^{10203121220030} is an apocalyptic number.

10203121220030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10203121220030 is a deficient number, since it is larger than the sum of its proper divisors (8233453674370).

10203121220030 is a wasteful number, since it uses less digits than its factorization.

10203121220030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119844.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10203121220030 its reverse (3002212130201), we get a palindrome (13205333350231).

The spelling of 10203121220030 in words is "ten trillion, two hundred three billion, one hundred twenty-one million, two hundred twenty thousand, thirty".